20525968

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1427}}^1$

素因数の和:1495

約数の個数: 40

約数和(自身を含む): 42497280

約数和(自身を除く): 21971312

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 116, 124, 232, 248, 464, 496, 899, 1427, 1798, 2854, 3596, 5708, 7192, 11416, 14384, 22832, 41383, 44237, 82766, 88474, 165532, 176948, 331064, 353896, 662128, 707792, 1282873, 2565746, 5131492, 10262984, 20525968]

約数ペア:

[(1, 20525968), (2, 10262984), (4, 5131492), (8, 2565746), (16, 1282873), (29, 707792), (31, 662128), (58, 353896), (62, 331064), (116, 176948), (124, 165532), (232, 88474), (248, 82766), (464, 44237), (496, 41383), (899, 22832), (1427, 14384), (1798, 11416), (2854, 7192), (3596, 5708)]