20717976

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18367}}^1$

素因数の和:18423

約数の個数: 32

約数和(自身を含む): 52899840

約数和(自身を除く): 32181864

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18367, 36734, 55101, 73468, 110202, 146936, 220404, 440808, 863249, 1726498, 2589747, 3452996, 5179494, 6905992, 10358988, 20717976]

約数ペア:

[(1, 20717976), (2, 10358988), (3, 6905992), (4, 5179494), (6, 3452996), (8, 2589747), (12, 1726498), (24, 863249), (47, 440808), (94, 220404), (141, 146936), (188, 110202), (282, 73468), (376, 55101), (564, 36734), (1128, 18367)]