20051009840

素因数分解:

$2^4\times 5^1\times {\mathrm{13033}}^1\times {\mathrm{19231}}^1$

素因数の和:32277

約数の個数: 40

約数和(自身を含む): 46624599168

約数和(自身を除く): 26573589328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 13033, 19231, 26066, 38462, 52132, 65165, 76924, 96155, 104264, 130330, 153848, 192310, 208528, 260660, 307696, 384620, 521320, 769240, 1042640, 1538480, 250637623, 501275246, 1002550492, 1253188115, 2005100984, 2506376230, 4010201968, 5012752460, 10025504920, 20051009840]

約数ペア:

[(1, 20051009840), (2, 10025504920), (4, 5012752460), (5, 4010201968), (8, 2506376230), (10, 2005100984), (16, 1253188115), (20, 1002550492), (40, 501275246), (80, 250637623), (13033, 1538480), (19231, 1042640), (26066, 769240), (38462, 521320), (52132, 384620), (65165, 307696), (76924, 260660), (96155, 208528), (104264, 192310), (130330, 153848)]