20726428

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{383}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 37029888

約数和(自身を除く): 16303460

約数列:

[1, 2, 4, 83, 163, 166, 326, 332, 383, 652, 766, 1532, 13529, 27058, 31789, 54116, 62429, 63578, 124858, 127156, 249716, 5181607, 10363214, 20726428]

約数ペア:

[(1, 20726428), (2, 10363214), (4, 5181607), (83, 249716), (163, 127156), (166, 124858), (326, 63578), (332, 62429), (383, 54116), (652, 31789), (766, 27058), (1532, 13529)]