20290662

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 80

約数和(自身を含む): 53840160

約数和(自身を除く): 33549498

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 81, 87, 126, 162, 174, 189, 203, 261, 378, 406, 522, 567, 609, 617, 783, 1134, 1218, 1234, 1566, 1827, 1851, 2349, 3654, 3702, 4319, 4698, 5481, 5553, 8638, 10962, 11106, 12957, 16443, 16659, 17893, 25914, 32886, 33318, 35786, 38871, 49977, 53679, 77742, 99954, 107358, 116613, 125251, 161037, 233226, 250502, 322074, 349839, 375753, 483111, 699678, 751506, 966222, 1127259, 1449333, 2254518, 2898666, 3381777, 6763554, 10145331, 20290662]

約数ペア:

[(1, 20290662), (2, 10145331), (3, 6763554), (6, 3381777), (7, 2898666), (9, 2254518), (14, 1449333), (18, 1127259), (21, 966222), (27, 751506), (29, 699678), (42, 483111), (54, 375753), (58, 349839), (63, 322074), (81, 250502), (87, 233226), (126, 161037), (162, 125251), (174, 116613), (189, 107358), (203, 99954), (261, 77742), (378, 53679), (406, 49977), (522, 38871), (567, 35786), (609, 33318), (617, 32886), (783, 25914), (1134, 17893), (1218, 16659), (1234, 16443), (1566, 12957), (1827, 11106), (1851, 10962), (2349, 8638), (3654, 5553), (3702, 5481), (4319, 4698)]