20113100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 50830080

約数和(自身を除く): 30716980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 59, 70, 100, 118, 140, 175, 236, 295, 350, 413, 487, 590, 700, 826, 974, 1180, 1475, 1652, 1948, 2065, 2435, 2950, 3409, 4130, 4870, 5900, 6818, 8260, 9740, 10325, 12175, 13636, 17045, 20650, 24350, 28733, 34090, 41300, 48700, 57466, 68180, 85225, 114932, 143665, 170450, 201131, 287330, 340900, 402262, 574660, 718325, 804524, 1005655, 1436650, 2011310, 2873300, 4022620, 5028275, 10056550, 20113100]

約数ペア:

[(1, 20113100), (2, 10056550), (4, 5028275), (5, 4022620), (7, 2873300), (10, 2011310), (14, 1436650), (20, 1005655), (25, 804524), (28, 718325), (35, 574660), (50, 402262), (59, 340900), (70, 287330), (100, 201131), (118, 170450), (140, 143665), (175, 114932), (236, 85225), (295, 68180), (350, 57466), (413, 48700), (487, 41300), (590, 34090), (700, 28733), (826, 24350), (974, 20650), (1180, 17045), (1475, 13636), (1652, 12175), (1948, 10325), (2065, 9740), (2435, 8260), (2950, 6818), (3409, 5900), (4130, 4870)]