20866744

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 40075200

約数和(自身を除く): 19208456

約数列:

[1, 2, 4, 8, 79, 137, 158, 241, 274, 316, 482, 548, 632, 964, 1096, 1928, 10823, 19039, 21646, 33017, 38078, 43292, 66034, 76156, 86584, 132068, 152312, 264136, 2608343, 5216686, 10433372, 20866744]

約数ペア:

[(1, 20866744), (2, 10433372), (4, 5216686), (8, 2608343), (79, 264136), (137, 152312), (158, 132068), (241, 86584), (274, 76156), (316, 66034), (482, 43292), (548, 38078), (632, 33017), (964, 21646), (1096, 19039), (1928, 10823)]