20828208

素因数分解:

$2^4\times 3^1\times {\mathrm{397}}^1\times {\mathrm{1093}}^1$

素因数の和:1501

約数の個数: 40

約数和(自身を含む): 53991088

約数和(自身を除く): 33162880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 397, 794, 1093, 1191, 1588, 2186, 2382, 3176, 3279, 4372, 4764, 6352, 6558, 8744, 9528, 13116, 17488, 19056, 26232, 52464, 433921, 867842, 1301763, 1735684, 2603526, 3471368, 5207052, 6942736, 10414104, 20828208]

約数ペア:

[(1, 20828208), (2, 10414104), (3, 6942736), (4, 5207052), (6, 3471368), (8, 2603526), (12, 1735684), (16, 1301763), (24, 867842), (48, 433921), (397, 52464), (794, 26232), (1093, 19056), (1191, 17488), (1588, 13116), (2186, 9528), (2382, 8744), (3176, 6558), (3279, 6352), (4372, 4764)]