20859416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3709}}^1$

素因数の和:3771

約数の個数: 32

約数和(自身を含む): 42294000

約数和(自身を除く): 21434584

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 3709, 5624, 7418, 14836, 29672, 70471, 137233, 140942, 274466, 281884, 548932, 563768, 1097864, 2607427, 5214854, 10429708, 20859416]

約数ペア:

[(1, 20859416), (2, 10429708), (4, 5214854), (8, 2607427), (19, 1097864), (37, 563768), (38, 548932), (74, 281884), (76, 274466), (148, 140942), (152, 137233), (296, 70471), (703, 29672), (1406, 14836), (2812, 7418), (3709, 5624)]