20741409

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6113}}^1$

素因数の和:6161

約数の個数: 24

約数和(自身を含む): 33382440

約数和(自身を除く): 12641031

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 6113, 18339, 55017, 79469, 177277, 238407, 531831, 715221, 1595493, 2304601, 6913803, 20741409]

約数ペア:

[(1, 20741409), (3, 6913803), (9, 2304601), (13, 1595493), (29, 715221), (39, 531831), (87, 238407), (117, 177277), (261, 79469), (377, 55017), (1131, 18339), (3393, 6113)]