20175156784

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{2687}}^1\times {\mathrm{2879}}^1$

素因数の和:5737

約数の個数: 40

約数和(自身を含む): 39357480960

約数和(自身を除く): 19182324176

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 2687, 2879, 5374, 5758, 10748, 11516, 21496, 23032, 42992, 46064, 437981, 469277, 875962, 938554, 1751924, 1877108, 3503848, 3754216, 7007696, 7508432, 7735873, 15471746, 30943492, 61886984, 123773968, 1260947299, 2521894598, 5043789196, 10087578392, 20175156784]

約数ペア:

[(1, 20175156784), (2, 10087578392), (4, 5043789196), (8, 2521894598), (16, 1260947299), (163, 123773968), (326, 61886984), (652, 30943492), (1304, 15471746), (2608, 7735873), (2687, 7508432), (2879, 7007696), (5374, 3754216), (5758, 3503848), (10748, 1877108), (11516, 1751924), (21496, 938554), (23032, 875962), (42992, 469277), (46064, 437981)]