20860762

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 35304192

約数和(自身を除く): 14443430

約数列:

[1, 2, 13, 26, 43, 47, 86, 94, 397, 559, 611, 794, 1118, 1222, 2021, 4042, 5161, 10322, 17071, 18659, 26273, 34142, 37318, 52546, 221923, 242567, 443846, 485134, 802337, 1604674, 10430381, 20860762]

約数ペア:

[(1, 20860762), (2, 10430381), (13, 1604674), (26, 802337), (43, 485134), (47, 443846), (86, 242567), (94, 221923), (397, 52546), (559, 37318), (611, 34142), (794, 26273), (1118, 18659), (1222, 17071), (2021, 10322), (4042, 5161)]