17214920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13883}}^1$

素因数の和:13925

約数の個数: 32

約数和(自身を含む): 39985920

約数和(自身を除く): 22771000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 13883, 27766, 55532, 69415, 111064, 138830, 277660, 430373, 555320, 860746, 1721492, 2151865, 3442984, 4303730, 8607460, 17214920]

約数ペア:

[(1, 17214920), (2, 8607460), (4, 4303730), (5, 3442984), (8, 2151865), (10, 1721492), (20, 860746), (31, 555320), (40, 430373), (62, 277660), (124, 138830), (155, 111064), (248, 69415), (310, 55532), (620, 27766), (1240, 13883)]