20145209973

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1\times {\mathrm{24007}}^1$

素因数の和:25337

約数の個数: 32

約数和(自身を含む): 31713607680

約数和(自身を除く): 11568397707

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1289, 3867, 9023, 24007, 27069, 39959, 72021, 119877, 168049, 279713, 504147, 744217, 839139, 2232651, 5209519, 15628557, 30945023, 92835069, 216615161, 649845483, 959295713, 2877887139, 6715069991, 20145209973]

約数ペア:

[(1, 20145209973), (3, 6715069991), (7, 2877887139), (21, 959295713), (31, 649845483), (93, 216615161), (217, 92835069), (651, 30945023), (1289, 15628557), (3867, 5209519), (9023, 2232651), (24007, 839139), (27069, 744217), (39959, 504147), (72021, 279713), (119877, 168049)]