20435414880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{96979}}^1$

素因数の和:97436

約数の個数: 96

約数和(自身を含む): 64518854400

約数和(自身を除く): 44083439520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 439, 480, 878, 1317, 1756, 2195, 2634, 3512, 4390, 5268, 6585, 7024, 8780, 10536, 13170, 14048, 17560, 21072, 26340, 35120, 42144, 52680, 70240, 96979, 105360, 193958, 210720, 290937, 387916, 484895, 581874, 775832, 969790, 1163748, 1454685, 1551664, 1939580, 2327496, 2909370, 3103328, 3879160, 4654992, 5818740, 7758320, 9309984, 11637480, 15516640, 23274960, 42573781, 46549920, 85147562, 127721343, 170295124, 212868905, 255442686, 340590248, 425737810, 510885372, 638606715, 681180496, 851475620, 1021770744, 1277213430, 1362360992, 1702951240, 2043541488, 2554426860, 3405902480, 4087082976, 5108853720, 6811804960, 10217707440, 20435414880]

約数ペア:

[(1, 20435414880), (2, 10217707440), (3, 6811804960), (4, 5108853720), (5, 4087082976), (6, 3405902480), (8, 2554426860), (10, 2043541488), (12, 1702951240), (15, 1362360992), (16, 1277213430), (20, 1021770744), (24, 851475620), (30, 681180496), (32, 638606715), (40, 510885372), (48, 425737810), (60, 340590248), (80, 255442686), (96, 212868905), (120, 170295124), (160, 127721343), (240, 85147562), (439, 46549920), (480, 42573781), (878, 23274960), (1317, 15516640), (1756, 11637480), (2195, 9309984), (2634, 7758320), (3512, 5818740), (4390, 4654992), (5268, 3879160), (6585, 3103328), (7024, 2909370), (8780, 2327496), (10536, 1939580), (13170, 1551664), (14048, 1454685), (17560, 1163748), (21072, 969790), (26340, 775832), (35120, 581874), (42144, 484895), (52680, 387916), (70240, 290937), (96979, 210720), (105360, 193958)]