20587436

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 36756720

約数和(自身を除く): 16169284

約数列:

[1, 2, 4, 101, 131, 202, 262, 389, 404, 524, 778, 1556, 13231, 26462, 39289, 50959, 52924, 78578, 101918, 157156, 203836, 5146859, 10293718, 20587436]

約数ペア:

[(1, 20587436), (2, 10293718), (4, 5146859), (101, 203836), (131, 157156), (202, 101918), (262, 78578), (389, 52924), (404, 50959), (524, 39289), (778, 26462), (1556, 13231)]