20810816

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{25013}}^1$

素因数の和:25038

約数の個数: 28

約数和(自身を含む): 44474892

約数和(自身を除く): 23664076

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 25013, 50026, 100052, 200104, 325169, 400208, 650338, 800416, 1300676, 1600832, 2601352, 5202704, 10405408, 20810816]

約数ペア:

[(1, 20810816), (2, 10405408), (4, 5202704), (8, 2601352), (13, 1600832), (16, 1300676), (26, 800416), (32, 650338), (52, 400208), (64, 325169), (104, 200104), (208, 100052), (416, 50026), (832, 25013)]