20629994

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1229}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 38966400

約数和(自身を除く): 18336406

約数列:

[1, 2, 7, 11, 14, 22, 77, 109, 154, 218, 763, 1199, 1229, 1526, 2398, 2458, 8393, 8603, 13519, 16786, 17206, 27038, 94633, 133961, 189266, 267922, 937727, 1473571, 1875454, 2947142, 10314997, 20629994]

約数ペア:

[(1, 20629994), (2, 10314997), (7, 2947142), (11, 1875454), (14, 1473571), (22, 937727), (77, 267922), (109, 189266), (154, 133961), (218, 94633), (763, 27038), (1199, 17206), (1229, 16786), (1526, 13519), (2398, 8603), (2458, 8393)]