20631378

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 43784640

約数和(自身を除く): 23153262

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 137, 274, 411, 822, 1321, 2603, 2642, 3963, 5206, 7809, 7926, 15618, 25099, 50198, 75297, 150594, 180977, 361954, 542931, 1085862, 3438563, 6877126, 10315689, 20631378]

約数ペア:

[(1, 20631378), (2, 10315689), (3, 6877126), (6, 3438563), (19, 1085862), (38, 542931), (57, 361954), (114, 180977), (137, 150594), (274, 75297), (411, 50198), (822, 25099), (1321, 15618), (2603, 7926), (2642, 7809), (3963, 5206)]