20238091740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{253801}}^1$

素因数の和:254259

約数の個数: 72

約数和(自身を含む): 61527696048

約数和(自身を除く): 41289604308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1329, 1772, 2215, 2658, 3987, 4430, 5316, 6645, 7974, 8860, 13290, 15948, 19935, 26580, 39870, 79740, 253801, 507602, 761403, 1015204, 1269005, 1522806, 2284209, 2538010, 3045612, 3807015, 4568418, 5076020, 7614030, 9136836, 11421045, 15228060, 22842090, 45684180, 112433843, 224867686, 337301529, 449735372, 562169215, 674603058, 1011904587, 1124338430, 1349206116, 1686507645, 2023809174, 2248676860, 3373015290, 4047618348, 5059522935, 6746030580, 10119045870, 20238091740]

約数ペア:

[(1, 20238091740), (2, 10119045870), (3, 6746030580), (4, 5059522935), (5, 4047618348), (6, 3373015290), (9, 2248676860), (10, 2023809174), (12, 1686507645), (15, 1349206116), (18, 1124338430), (20, 1011904587), (30, 674603058), (36, 562169215), (45, 449735372), (60, 337301529), (90, 224867686), (180, 112433843), (443, 45684180), (886, 22842090), (1329, 15228060), (1772, 11421045), (2215, 9136836), (2658, 7614030), (3987, 5076020), (4430, 4568418), (5316, 3807015), (6645, 3045612), (7974, 2538010), (8860, 2284209), (13290, 1522806), (15948, 1269005), (19935, 1015204), (26580, 761403), (39870, 507602), (79740, 253801)]