20797429947

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7459}}^1\times {\mathrm{4283}}^1$

素因数の和:11783

約数の個数: 32

約数和(自身を含む): 32725647360

約数和(自身を除く): 11928217413

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 4283, 7459, 12849, 22377, 29981, 52213, 89943, 132773, 156639, 231229, 398319, 693687, 929411, 1618603, 2788233, 4855809, 31946897, 95840691, 223628279, 670884837, 990353807, 2971061421, 6932476649, 20797429947]

約数ペア:

[(1, 20797429947), (3, 6932476649), (7, 2971061421), (21, 990353807), (31, 670884837), (93, 223628279), (217, 95840691), (651, 31946897), (4283, 4855809), (7459, 2788233), (12849, 1618603), (22377, 929411), (29981, 693687), (52213, 398319), (89943, 231229), (132773, 156639)]