20691570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1231

約数の個数: 64

約数和(自身を含む): 54005760

約数和(自身を除く): 33314190

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 31, 38, 57, 62, 93, 95, 114, 155, 186, 190, 285, 310, 465, 570, 589, 930, 1171, 1178, 1767, 2342, 2945, 3513, 3534, 5855, 5890, 7026, 8835, 11710, 17565, 17670, 22249, 35130, 36301, 44498, 66747, 72602, 108903, 111245, 133494, 181505, 217806, 222490, 333735, 363010, 544515, 667470, 689719, 1089030, 1379438, 2069157, 3448595, 4138314, 6897190, 10345785, 20691570]

約数ペア:

[(1, 20691570), (2, 10345785), (3, 6897190), (5, 4138314), (6, 3448595), (10, 2069157), (15, 1379438), (19, 1089030), (30, 689719), (31, 667470), (38, 544515), (57, 363010), (62, 333735), (93, 222490), (95, 217806), (114, 181505), (155, 133494), (186, 111245), (190, 108903), (285, 72602), (310, 66747), (465, 44498), (570, 36301), (589, 35130), (930, 22249), (1171, 17670), (1178, 17565), (1767, 11710), (2342, 8835), (2945, 7026), (3513, 5890), (3534, 5855)]