20239800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 192

約数和(自身を含む): 73804800

約数和(自身を除く): 53565000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 61, 70, 75, 79, 84, 100, 105, 120, 122, 140, 150, 158, 168, 175, 183, 200, 210, 237, 244, 280, 300, 305, 316, 350, 366, 395, 420, 427, 474, 488, 525, 553, 600, 610, 632, 700, 732, 790, 840, 854, 915, 948, 1050, 1106, 1185, 1220, 1281, 1400, 1464, 1525, 1580, 1659, 1708, 1830, 1896, 1975, 2100, 2135, 2212, 2370, 2440, 2562, 2765, 3050, 3160, 3318, 3416, 3660, 3950, 4200, 4270, 4424, 4575, 4740, 4819, 5124, 5530, 5925, 6100, 6405, 6636, 7320, 7900, 8295, 8540, 9150, 9480, 9638, 10248, 10675, 11060, 11850, 12200, 12810, 13272, 13825, 14457, 15800, 16590, 17080, 18300, 19276, 21350, 22120, 23700, 24095, 25620, 27650, 28914, 32025, 33180, 33733, 36600, 38552, 41475, 42700, 47400, 48190, 51240, 55300, 57828, 64050, 66360, 67466, 72285, 82950, 85400, 96380, 101199, 110600, 115656, 120475, 128100, 134932, 144570, 165900, 168665, 192760, 202398, 240950, 256200, 269864, 289140, 331800, 337330, 361425, 404796, 481900, 505995, 578280, 674660, 722850, 809592, 843325, 963800, 1011990, 1349320, 1445700, 1686650, 2023980, 2529975, 2891400, 3373300, 4047960, 5059950, 6746600, 10119900, 20239800]

約数ペア:

[(1, 20239800), (2, 10119900), (3, 6746600), (4, 5059950), (5, 4047960), (6, 3373300), (7, 2891400), (8, 2529975), (10, 2023980), (12, 1686650), (14, 1445700), (15, 1349320), (20, 1011990), (21, 963800), (24, 843325), (25, 809592), (28, 722850), (30, 674660), (35, 578280), (40, 505995), (42, 481900), (50, 404796), (56, 361425), (60, 337330), (61, 331800), (70, 289140), (75, 269864), (79, 256200), (84, 240950), (100, 202398), (105, 192760), (120, 168665), (122, 165900), (140, 144570), (150, 134932), (158, 128100), (168, 120475), (175, 115656), (183, 110600), (200, 101199), (210, 96380), (237, 85400), (244, 82950), (280, 72285), (300, 67466), (305, 66360), (316, 64050), (350, 57828), (366, 55300), (395, 51240), (420, 48190), (427, 47400), (474, 42700), (488, 41475), (525, 38552), (553, 36600), (600, 33733), (610, 33180), (632, 32025), (700, 28914), (732, 27650), (790, 25620), (840, 24095), (854, 23700), (915, 22120), (948, 21350), (1050, 19276), (1106, 18300), (1185, 17080), (1220, 16590), (1281, 15800), (1400, 14457), (1464, 13825), (1525, 13272), (1580, 12810), (1659, 12200), (1708, 11850), (1830, 11060), (1896, 10675), (1975, 10248), (2100, 9638), (2135, 9480), (2212, 9150), (2370, 8540), (2440, 8295), (2562, 7900), (2765, 7320), (3050, 6636), (3160, 6405), (3318, 6100), (3416, 5925), (3660, 5530), (3950, 5124), (4200, 4819), (4270, 4740), (4424, 4575)]