20169905665

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{318917}}^1$

素因数の和:319081

約数の個数: 32

約数和(自身を含む): 30003805440

約数和(自身を除く): 9833899775

約数列:

[1, 5, 7, 13, 35, 65, 91, 139, 455, 695, 973, 1807, 4865, 9035, 12649, 63245, 318917, 1594585, 2232419, 4145921, 11162095, 20729605, 29021447, 44329463, 145107235, 221647315, 310306241, 576283019, 1551531205, 2881415095, 4033981133, 20169905665]

約数ペア:

[(1, 20169905665), (5, 4033981133), (7, 2881415095), (13, 1551531205), (35, 576283019), (65, 310306241), (91, 221647315), (139, 145107235), (455, 44329463), (695, 29021447), (973, 20729605), (1807, 11162095), (4865, 4145921), (9035, 2232419), (12649, 1594585), (63245, 318917)]