20993565840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{29383}}^1$

素因数の和:29641

約数の個数: 160

約数和(自身を含む): 70394661120

約数和(自身を除く): 49401095280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 229, 240, 260, 312, 390, 458, 520, 624, 687, 780, 916, 1040, 1145, 1374, 1560, 1832, 2290, 2748, 2977, 3120, 3435, 3664, 4580, 5496, 5954, 6870, 8931, 9160, 10992, 11908, 13740, 14885, 17862, 18320, 23816, 27480, 29383, 29770, 35724, 44655, 47632, 54960, 58766, 59540, 71448, 88149, 89310, 117532, 119080, 142896, 146915, 176298, 178620, 235064, 238160, 293830, 352596, 357240, 381979, 440745, 470128, 587660, 705192, 714480, 763958, 881490, 1145937, 1175320, 1410384, 1527916, 1762980, 1909895, 2291874, 2350640, 3055832, 3525960, 3819790, 4583748, 5729685, 6111664, 6728707, 7051920, 7639580, 9167496, 11459370, 13457414, 15279160, 18334992, 20186121, 22918740, 26914828, 30558320, 33643535, 40372242, 45837480, 53829656, 67287070, 80744484, 87473191, 91674960, 100930605, 107659312, 134574140, 161488968, 174946382, 201861210, 262419573, 269148280, 322977936, 349892764, 403722420, 437365955, 524839146, 538296560, 699785528, 807444840, 874731910, 1049678292, 1312097865, 1399571056, 1614889680, 1749463820, 2099356584, 2624195730, 3498927640, 4198713168, 5248391460, 6997855280, 10496782920, 20993565840]

約数ペア:

[(1, 20993565840), (2, 10496782920), (3, 6997855280), (4, 5248391460), (5, 4198713168), (6, 3498927640), (8, 2624195730), (10, 2099356584), (12, 1749463820), (13, 1614889680), (15, 1399571056), (16, 1312097865), (20, 1049678292), (24, 874731910), (26, 807444840), (30, 699785528), (39, 538296560), (40, 524839146), (48, 437365955), (52, 403722420), (60, 349892764), (65, 322977936), (78, 269148280), (80, 262419573), (104, 201861210), (120, 174946382), (130, 161488968), (156, 134574140), (195, 107659312), (208, 100930605), (229, 91674960), (240, 87473191), (260, 80744484), (312, 67287070), (390, 53829656), (458, 45837480), (520, 40372242), (624, 33643535), (687, 30558320), (780, 26914828), (916, 22918740), (1040, 20186121), (1145, 18334992), (1374, 15279160), (1560, 13457414), (1832, 11459370), (2290, 9167496), (2748, 7639580), (2977, 7051920), (3120, 6728707), (3435, 6111664), (3664, 5729685), (4580, 4583748), (5496, 3819790), (5954, 3525960), (6870, 3055832), (8931, 2350640), (9160, 2291874), (10992, 1909895), (11908, 1762980), (13740, 1527916), (14885, 1410384), (17862, 1175320), (18320, 1145937), (23816, 881490), (27480, 763958), (29383, 714480), (29770, 705192), (35724, 587660), (44655, 470128), (47632, 440745), (54960, 381979), (58766, 357240), (59540, 352596), (71448, 293830), (88149, 238160), (89310, 235064), (117532, 178620), (119080, 176298), (142896, 146915)]