20166405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1289}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 37152000

約数和(自身を除く): 16985595

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 149, 447, 745, 1043, 1289, 2235, 3129, 3867, 5215, 6445, 9023, 15645, 19335, 27069, 45115, 135345, 192061, 576183, 960305, 1344427, 2880915, 4033281, 6722135, 20166405]

約数ペア:

[(1, 20166405), (3, 6722135), (5, 4033281), (7, 2880915), (15, 1344427), (21, 960305), (35, 576183), (105, 192061), (149, 135345), (447, 45115), (745, 27069), (1043, 19335), (1289, 15645), (2235, 9023), (3129, 6445), (3867, 5215)]