20398432

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{8069}}^1$

素因数の和:8158

約数の個数: 24

約数和(自身を含む): 40672800

約数和(自身を除く): 20274368

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 8069, 16138, 32276, 64552, 129104, 258208, 637451, 1274902, 2549804, 5099608, 10199216, 20398432]

約数ペア:

[(1, 20398432), (2, 10199216), (4, 5099608), (8, 2549804), (16, 1274902), (32, 637451), (79, 258208), (158, 129104), (316, 64552), (632, 32276), (1264, 16138), (2528, 8069)]