20228678

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{641}}^1$

素因数の和:1183

約数の個数: 16

約数和(自身を含む): 31432320

約数和(自身を除く): 11203642

約数列:

[1, 2, 31, 62, 509, 641, 1018, 1282, 15779, 19871, 31558, 39742, 326269, 652538, 10114339, 20228678]

約数ペア:

[(1, 20228678), (2, 10114339), (31, 652538), (62, 326269), (509, 39742), (641, 31558), (1018, 19871), (1282, 15779)]