20034540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:253

約数の個数: 120

約数和(自身を含む): 64033200

約数和(自身を除く): 43998660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 83, 90, 108, 135, 149, 162, 166, 180, 249, 270, 298, 324, 332, 405, 415, 447, 498, 540, 596, 745, 747, 810, 830, 894, 996, 1245, 1341, 1490, 1494, 1620, 1660, 1788, 2235, 2241, 2490, 2682, 2980, 2988, 3735, 4023, 4470, 4482, 4980, 5364, 6705, 6723, 7470, 8046, 8940, 8964, 11205, 12069, 12367, 13410, 13446, 14940, 16092, 20115, 22410, 24138, 24734, 26820, 26892, 33615, 37101, 40230, 44820, 48276, 49468, 60345, 61835, 67230, 74202, 80460, 111303, 120690, 123670, 134460, 148404, 185505, 222606, 241380, 247340, 333909, 371010, 445212, 556515, 667818, 742020, 1001727, 1113030, 1335636, 1669545, 2003454, 2226060, 3339090, 4006908, 5008635, 6678180, 10017270, 20034540]

約数ペア:

[(1, 20034540), (2, 10017270), (3, 6678180), (4, 5008635), (5, 4006908), (6, 3339090), (9, 2226060), (10, 2003454), (12, 1669545), (15, 1335636), (18, 1113030), (20, 1001727), (27, 742020), (30, 667818), (36, 556515), (45, 445212), (54, 371010), (60, 333909), (81, 247340), (83, 241380), (90, 222606), (108, 185505), (135, 148404), (149, 134460), (162, 123670), (166, 120690), (180, 111303), (249, 80460), (270, 74202), (298, 67230), (324, 61835), (332, 60345), (405, 49468), (415, 48276), (447, 44820), (498, 40230), (540, 37101), (596, 33615), (745, 26892), (747, 26820), (810, 24734), (830, 24138), (894, 22410), (996, 20115), (1245, 16092), (1341, 14940), (1490, 13446), (1494, 13410), (1620, 12367), (1660, 12069), (1788, 11205), (2235, 8964), (2241, 8940), (2490, 8046), (2682, 7470), (2980, 6723), (2988, 6705), (3735, 5364), (4023, 4980), (4470, 4482)]