20884886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 35721216

約数和(自身を除く): 14836330

約数列:

[1, 2, 11, 22, 31, 62, 113, 226, 271, 341, 542, 682, 1243, 2486, 2981, 3503, 5962, 7006, 8401, 16802, 30623, 38533, 61246, 77066, 92411, 184822, 336853, 673706, 949313, 1898626, 10442443, 20884886]

約数ペア:

[(1, 20884886), (2, 10442443), (11, 1898626), (22, 949313), (31, 673706), (62, 336853), (113, 184822), (226, 92411), (271, 77066), (341, 61246), (542, 38533), (682, 30623), (1243, 16802), (2486, 8401), (2981, 7006), (3503, 5962)]