20888904

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{2411}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 55138320

約数和(自身を除く): 34249416

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 361, 456, 722, 1083, 1444, 2166, 2411, 2888, 4332, 4822, 7233, 8664, 9644, 14466, 19288, 28932, 45809, 57864, 91618, 137427, 183236, 274854, 366472, 549708, 870371, 1099416, 1740742, 2611113, 3481484, 5222226, 6962968, 10444452, 20888904]

約数ペア:

[(1, 20888904), (2, 10444452), (3, 6962968), (4, 5222226), (6, 3481484), (8, 2611113), (12, 1740742), (19, 1099416), (24, 870371), (38, 549708), (57, 366472), (76, 274854), (114, 183236), (152, 137427), (228, 91618), (361, 57864), (456, 45809), (722, 28932), (1083, 19288), (1444, 14466), (2166, 9644), (2411, 8664), (2888, 7233), (4332, 4822)]