31925740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20731}}^1$

素因数の和:20758

約数の個数: 48

約数和(自身を含む): 83591424

約数和(自身を除く): 51665684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20731, 41462, 82924, 103655, 145117, 207310, 228041, 290234, 414620, 456082, 580468, 725585, 912164, 1140205, 1451170, 1596287, 2280410, 2902340, 3192574, 4560820, 6385148, 7981435, 15962870, 31925740]

約数ペア:

[(1, 31925740), (2, 15962870), (4, 7981435), (5, 6385148), (7, 4560820), (10, 3192574), (11, 2902340), (14, 2280410), (20, 1596287), (22, 1451170), (28, 1140205), (35, 912164), (44, 725585), (55, 580468), (70, 456082), (77, 414620), (110, 290234), (140, 228041), (154, 207310), (220, 145117), (308, 103655), (385, 82924), (770, 41462), (1540, 20731)]