20867757

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1049}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 29400000

約数和(自身を除く): 8532243

約数列:

[1, 3, 19, 57, 349, 1047, 1049, 3147, 6631, 19893, 19931, 59793, 366101, 1098303, 6955919, 20867757]

約数ペア:

[(1, 20867757), (3, 6955919), (19, 1098303), (57, 366101), (349, 59793), (1047, 19931), (1049, 19893), (3147, 6631)]