20657550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8101}}^1$

素因数の和:8133

約数の個数: 48

約数和(自身を含む): 54250992

約数和(自身を除く): 33593442

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 150, 170, 255, 425, 510, 850, 1275, 2550, 8101, 16202, 24303, 40505, 48606, 81010, 121515, 137717, 202525, 243030, 275434, 405050, 413151, 607575, 688585, 826302, 1215150, 1377170, 2065755, 3442925, 4131510, 6885850, 10328775, 20657550]

約数ペア:

[(1, 20657550), (2, 10328775), (3, 6885850), (5, 4131510), (6, 3442925), (10, 2065755), (15, 1377170), (17, 1215150), (25, 826302), (30, 688585), (34, 607575), (50, 413151), (51, 405050), (75, 275434), (85, 243030), (102, 202525), (150, 137717), (170, 121515), (255, 81010), (425, 48606), (510, 40505), (850, 24303), (1275, 16202), (2550, 8101)]