20228271

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15791}}^1$

素因数の和:15862

約数の個数: 16

約数和(自身を含む): 31331328

約数和(自身を除く): 11103057

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15791, 47373, 110537, 331611, 963251, 2889753, 6742757, 20228271]

約数ペア:

[(1, 20228271), (3, 6742757), (7, 2889753), (21, 963251), (61, 331611), (183, 110537), (427, 47373), (1281, 15791)]