20485100880

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{137447}}^1$

素因数の和:137495

約数の個数: 200

約数和(自身を含む): 74241712512

約数和(自身を除く): 53756611632

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 81, 90, 92, 108, 115, 120, 135, 138, 144, 162, 180, 184, 207, 216, 230, 240, 270, 276, 324, 345, 360, 368, 405, 414, 432, 460, 540, 552, 621, 648, 690, 720, 810, 828, 920, 1035, 1080, 1104, 1242, 1296, 1380, 1620, 1656, 1840, 1863, 2070, 2160, 2484, 2760, 3105, 3240, 3312, 3726, 4140, 4968, 5520, 6210, 6480, 7452, 8280, 9315, 9936, 12420, 14904, 16560, 18630, 24840, 29808, 37260, 49680, 74520, 137447, 149040, 274894, 412341, 549788, 687235, 824682, 1099576, 1237023, 1374470, 1649364, 2061705, 2199152, 2474046, 2748940, 3161281, 3298728, 3711069, 4123410, 4948092, 5497880, 6185115, 6322562, 6597456, 7422138, 8246820, 9483843, 9896184, 10995760, 11133207, 12370230, 12645124, 14844276, 15806405, 16493640, 18555345, 18967686, 19792368, 22266414, 24740460, 25290248, 28451529, 29688552, 31612810, 32987280, 37110690, 37935372, 44532828, 47419215, 49480920, 50580496, 55666035, 56903058, 59377104, 63225620, 74221380, 75870744, 85354587, 89065656, 94838430, 98961840, 111332070, 113806116, 126451240, 142257645, 148442760, 151741488, 170709174, 178131312, 189676860, 222664140, 227612232, 252902480, 256063761, 284515290, 296885520, 341418348, 379353720, 426772935, 445328280, 455224464, 512127522, 569030580, 682836696, 758707440, 853545870, 890656560, 1024255044, 1138061160, 1280318805, 1365673392, 1707091740, 2048510088, 2276122320, 2560637610, 3414183480, 4097020176, 5121275220, 6828366960, 10242550440, 20485100880]

約数ペア:

[(1, 20485100880), (2, 10242550440), (3, 6828366960), (4, 5121275220), (5, 4097020176), (6, 3414183480), (8, 2560637610), (9, 2276122320), (10, 2048510088), (12, 1707091740), (15, 1365673392), (16, 1280318805), (18, 1138061160), (20, 1024255044), (23, 890656560), (24, 853545870), (27, 758707440), (30, 682836696), (36, 569030580), (40, 512127522), (45, 455224464), (46, 445328280), (48, 426772935), (54, 379353720), (60, 341418348), (69, 296885520), (72, 284515290), (80, 256063761), (81, 252902480), (90, 227612232), (92, 222664140), (108, 189676860), (115, 178131312), (120, 170709174), (135, 151741488), (138, 148442760), (144, 142257645), (162, 126451240), (180, 113806116), (184, 111332070), (207, 98961840), (216, 94838430), (230, 89065656), (240, 85354587), (270, 75870744), (276, 74221380), (324, 63225620), (345, 59377104), (360, 56903058), (368, 55666035), (405, 50580496), (414, 49480920), (432, 47419215), (460, 44532828), (540, 37935372), (552, 37110690), (621, 32987280), (648, 31612810), (690, 29688552), (720, 28451529), (810, 25290248), (828, 24740460), (920, 22266414), (1035, 19792368), (1080, 18967686), (1104, 18555345), (1242, 16493640), (1296, 15806405), (1380, 14844276), (1620, 12645124), (1656, 12370230), (1840, 11133207), (1863, 10995760), (2070, 9896184), (2160, 9483843), (2484, 8246820), (2760, 7422138), (3105, 6597456), (3240, 6322562), (3312, 6185115), (3726, 5497880), (4140, 4948092), (4968, 4123410), (5520, 3711069), (6210, 3298728), (6480, 3161281), (7452, 2748940), (8280, 2474046), (9315, 2199152), (9936, 2061705), (12420, 1649364), (14904, 1374470), (16560, 1237023), (18630, 1099576), (24840, 824682), (29808, 687235), (37260, 549788), (49680, 412341), (74520, 274894), (137447, 149040)]