20781912

素因数分解:

$2^3\times 3^1\times {\mathrm{241}}^1\times {\mathrm{3593}}^1$

素因数の和:3843

約数の個数: 32

約数和(自身を含む): 52184880

約数和(自身を除く): 31402968

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 241, 482, 723, 964, 1446, 1928, 2892, 3593, 5784, 7186, 10779, 14372, 21558, 28744, 43116, 86232, 865913, 1731826, 2597739, 3463652, 5195478, 6927304, 10390956, 20781912]

約数ペア:

[(1, 20781912), (2, 10390956), (3, 6927304), (4, 5195478), (6, 3463652), (8, 2597739), (12, 1731826), (24, 865913), (241, 86232), (482, 43116), (723, 28744), (964, 21558), (1446, 14372), (1928, 10779), (2892, 7186), (3593, 5784)]