20261272

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{41519}}^1$

素因数の和:41586

約数の個数: 16

約数和(自身を含む): 38613600

約数和(自身を除く): 18352328

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 41519, 83038, 166076, 332152, 2532659, 5065318, 10130636, 20261272]

約数ペア:

[(1, 20261272), (2, 10130636), (4, 5065318), (8, 2532659), (61, 332152), (122, 166076), (244, 83038), (488, 41519)]