20037550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1063}}^1$

素因数の和:1117

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 21522290

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 725, 754, 1063, 1450, 1885, 2126, 3770, 5315, 9425, 10630, 13819, 18850, 26575, 27638, 30827, 53150, 61654, 69095, 138190, 154135, 308270, 345475, 400751, 690950, 770675, 801502, 1541350, 2003755, 4007510, 10018775, 20037550]

約数ペア:

[(1, 20037550), (2, 10018775), (5, 4007510), (10, 2003755), (13, 1541350), (25, 801502), (26, 770675), (29, 690950), (50, 400751), (58, 345475), (65, 308270), (130, 154135), (145, 138190), (290, 69095), (325, 61654), (377, 53150), (650, 30827), (725, 27638), (754, 26575), (1063, 18850), (1450, 13819), (1885, 10630), (2126, 9425), (3770, 5315)]