20632856

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 40212480

約数和(自身を除く): 19579624

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 271, 307, 542, 614, 1084, 1228, 2168, 2456, 8401, 9517, 16802, 19034, 33604, 38068, 67208, 76136, 83197, 166394, 332788, 665576, 2579107, 5158214, 10316428, 20632856]

約数ペア:

[(1, 20632856), (2, 10316428), (4, 5158214), (8, 2579107), (31, 665576), (62, 332788), (124, 166394), (248, 83197), (271, 76136), (307, 67208), (542, 38068), (614, 33604), (1084, 19034), (1228, 16802), (2168, 9517), (2456, 8401)]