19755700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{11621}}^1$

素因数の和:11652

約数の個数: 36

約数和(自身を含む): 45395532

約数和(自身を除く): 25639832

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 11621, 23242, 46484, 58105, 116210, 197557, 232420, 290525, 395114, 581050, 790228, 987785, 1162100, 1975570, 3951140, 4938925, 9877850, 19755700]

約数ペア:

[(1, 19755700), (2, 9877850), (4, 4938925), (5, 3951140), (10, 1975570), (17, 1162100), (20, 987785), (25, 790228), (34, 581050), (50, 395114), (68, 290525), (85, 232420), (100, 197557), (170, 116210), (340, 58105), (425, 46484), (850, 23242), (1700, 11621)]