20151116

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1609}}^1$

素因数の和:1745

約数の個数: 24

約数和(自身を含む): 36785280

約数和(自身を除く): 16634164

約数列:

[1, 2, 4, 31, 62, 101, 124, 202, 404, 1609, 3131, 3218, 6262, 6436, 12524, 49879, 99758, 162509, 199516, 325018, 650036, 5037779, 10075558, 20151116]

約数ペア:

[(1, 20151116), (2, 10075558), (4, 5037779), (31, 650036), (62, 325018), (101, 199516), (124, 162509), (202, 99758), (404, 49879), (1609, 12524), (3131, 6436), (3218, 6262)]