20302480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23071}}^1$

素因数の和:23095

約数の個数: 40

約数和(自身を含む): 51496704

約数和(自身を除く): 31194224

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 23071, 46142, 92284, 115355, 184568, 230710, 253781, 369136, 461420, 507562, 922840, 1015124, 1268905, 1845680, 2030248, 2537810, 4060496, 5075620, 10151240, 20302480]

約数ペア:

[(1, 20302480), (2, 10151240), (4, 5075620), (5, 4060496), (8, 2537810), (10, 2030248), (11, 1845680), (16, 1268905), (20, 1015124), (22, 922840), (40, 507562), (44, 461420), (55, 369136), (80, 253781), (88, 230710), (110, 184568), (176, 115355), (220, 92284), (440, 46142), (880, 23071)]