20163947247

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10518491}}^1$

素因数の和:10518571

約数の個数: 16

約数和(自身を含む): 30293256960

約数和(自身を除く): 10129309713

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10518491, 31555473, 94666419, 283999257, 746812861, 2240438583, 6721315749, 20163947247]

約数ペア:

[(1, 20163947247), (3, 6721315749), (9, 2240438583), (27, 746812861), (71, 283999257), (213, 94666419), (639, 31555473), (1917, 10518491)]