20391700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29131}}^1$

素因数の和:29152

約数の個数: 36

約数和(自身を含む): 50573152

約数和(自身を除く): 30181452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 29131, 58262, 116524, 145655, 203917, 291310, 407834, 582620, 728275, 815668, 1019585, 1456550, 2039170, 2913100, 4078340, 5097925, 10195850, 20391700]

約数ペア:

[(1, 20391700), (2, 10195850), (4, 5097925), (5, 4078340), (7, 2913100), (10, 2039170), (14, 1456550), (20, 1019585), (25, 815668), (28, 728275), (35, 582620), (50, 407834), (70, 291310), (100, 203917), (140, 145655), (175, 116524), (350, 58262), (700, 29131)]