20776965139

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{3923}}^1\times {\mathrm{39821}}^1$

素因数の和:43770

約数の個数: 16

約数和(自身を含む): 25001844480

約数和(自身を除く): 4224879341

約数列:

[1, 7, 19, 133, 3923, 27461, 39821, 74537, 278747, 521759, 756599, 5296193, 156217783, 1093524481, 2968137877, 20776965139]

約数ペア:

[(1, 20776965139), (7, 2968137877), (19, 1093524481), (133, 156217783), (3923, 5296193), (27461, 756599), (39821, 521759), (74537, 278747)]