20121856258

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{977}}^1\times {\mathrm{5861}}^1$

素因数の和:7098

約数の個数: 32

約数和(自身を含む): 34673401728

約数和(自身を除く): 14551545470

約数列:

[1, 2, 7, 14, 251, 502, 977, 1757, 1954, 3514, 5861, 6839, 11722, 13678, 41027, 82054, 245227, 490454, 1471111, 1716589, 2942222, 3433178, 5726197, 10297777, 11452394, 20595554, 40083379, 80166758, 1437275447, 2874550894, 10060928129, 20121856258]

約数ペア:

[(1, 20121856258), (2, 10060928129), (7, 2874550894), (14, 1437275447), (251, 80166758), (502, 40083379), (977, 20595554), (1757, 11452394), (1954, 10297777), (3514, 5726197), (5861, 3433178), (6839, 2942222), (11722, 1716589), (13678, 1471111), (41027, 490454), (82054, 245227)]