20277968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40883}}^1$

素因数の和:40922

約数の個数: 20

約数和(自身を含む): 40556928

約数和(自身を除く): 20278960

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40883, 81766, 163532, 327064, 654128, 1267373, 2534746, 5069492, 10138984, 20277968]

約数ペア:

[(1, 20277968), (2, 10138984), (4, 5069492), (8, 2534746), (16, 1267373), (31, 654128), (62, 327064), (124, 163532), (248, 81766), (496, 40883)]