20401968

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13711}}^1$

素因数の和:13753

約数の個数: 40

約数和(自身を含む): 54409216

約数和(自身を除く): 34007248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13711, 27422, 41133, 54844, 82266, 109688, 164532, 219376, 329064, 425041, 658128, 850082, 1275123, 1700164, 2550246, 3400328, 5100492, 6800656, 10200984, 20401968]

約数ペア:

[(1, 20401968), (2, 10200984), (3, 6800656), (4, 5100492), (6, 3400328), (8, 2550246), (12, 1700164), (16, 1275123), (24, 850082), (31, 658128), (48, 425041), (62, 329064), (93, 219376), (124, 164532), (186, 109688), (248, 82266), (372, 54844), (496, 41133), (744, 27422), (1488, 13711)]