20372864

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8377}}^1$

素因数の和:8410

約数の個数: 32

約数和(自身を含む): 42727800

約数和(自身を除く): 22354936

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8377, 16754, 33508, 67016, 134032, 159163, 268064, 318326, 536128, 636652, 1072256, 1273304, 2546608, 5093216, 10186432, 20372864]

約数ペア:

[(1, 20372864), (2, 10186432), (4, 5093216), (8, 2546608), (16, 1273304), (19, 1072256), (32, 636652), (38, 536128), (64, 318326), (76, 268064), (128, 159163), (152, 134032), (304, 67016), (608, 33508), (1216, 16754), (2432, 8377)]