20761908

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2221}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 52261440

約数和(自身を除く): 31499532

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 41, 57, 76, 82, 114, 123, 164, 228, 246, 492, 779, 1558, 2221, 2337, 3116, 4442, 4674, 6663, 8884, 9348, 13326, 26652, 42199, 84398, 91061, 126597, 168796, 182122, 253194, 273183, 364244, 506388, 546366, 1092732, 1730159, 3460318, 5190477, 6920636, 10380954, 20761908]

約数ペア:

[(1, 20761908), (2, 10380954), (3, 6920636), (4, 5190477), (6, 3460318), (12, 1730159), (19, 1092732), (38, 546366), (41, 506388), (57, 364244), (76, 273183), (82, 253194), (114, 182122), (123, 168796), (164, 126597), (228, 91061), (246, 84398), (492, 42199), (779, 26652), (1558, 13326), (2221, 9348), (2337, 8884), (3116, 6663), (4442, 4674)]