20120804920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29589419}}^1$

素因数の和:29589447

約数の個数: 32

約数和(自身を含む): 47934860400

約数和(自身を除く): 27814055480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29589419, 59178838, 118357676, 147947095, 236715352, 295894190, 503020123, 591788380, 1006040246, 1183576760, 2012080492, 2515100615, 4024160984, 5030201230, 10060402460, 20120804920]

約数ペア:

[(1, 20120804920), (2, 10060402460), (4, 5030201230), (5, 4024160984), (8, 2515100615), (10, 2012080492), (17, 1183576760), (20, 1006040246), (34, 591788380), (40, 503020123), (68, 295894190), (85, 236715352), (136, 147947095), (170, 118357676), (340, 59178838), (680, 29589419)]