20128440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{2843}}^1$

素因数の和:2916

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 41301960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 59, 60, 118, 120, 177, 236, 295, 354, 472, 590, 708, 885, 1180, 1416, 1770, 2360, 2843, 3540, 5686, 7080, 8529, 11372, 14215, 17058, 22744, 28430, 34116, 42645, 56860, 68232, 85290, 113720, 167737, 170580, 335474, 341160, 503211, 670948, 838685, 1006422, 1341896, 1677370, 2012844, 2516055, 3354740, 4025688, 5032110, 6709480, 10064220, 20128440]

約数ペア:

[(1, 20128440), (2, 10064220), (3, 6709480), (4, 5032110), (5, 4025688), (6, 3354740), (8, 2516055), (10, 2012844), (12, 1677370), (15, 1341896), (20, 1006422), (24, 838685), (30, 670948), (40, 503211), (59, 341160), (60, 335474), (118, 170580), (120, 167737), (177, 113720), (236, 85290), (295, 68232), (354, 56860), (472, 42645), (590, 34116), (708, 28430), (885, 22744), (1180, 17058), (1416, 14215), (1770, 11372), (2360, 8529), (2843, 7080), (3540, 5686)]