20210129

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 22545600

約数和(自身を除く): 2335471

約数列:

[1, 19, 29, 43, 551, 817, 853, 1247, 16207, 23693, 24737, 36679, 470003, 696901, 1063691, 20210129]

約数ペア:

[(1, 20210129), (19, 1063691), (29, 696901), (43, 470003), (551, 36679), (817, 24737), (853, 23693), (1247, 16207)]