20178382017

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{7207}}^1\times {\mathrm{17609}}^1$

素因数の和:24872

約数の個数: 16

約数和(自身を含む): 27417502080

約数和(自身を除く): 7239120063

約数列:

[1, 3, 53, 159, 7207, 17609, 21621, 52827, 381971, 933277, 1145913, 2799831, 126908063, 380724189, 6726127339, 20178382017]

約数ペア:

[(1, 20178382017), (3, 6726127339), (53, 380724189), (159, 126908063), (7207, 2799831), (17609, 1145913), (21621, 933277), (52827, 381971)]