20145060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8609}}^1$

素因数の和:8637

約数の個数: 72

約数和(自身を含む): 65814840

約数和(自身を除く): 45669780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8609, 17218, 25827, 34436, 43045, 51654, 77481, 86090, 103308, 111917, 129135, 154962, 172180, 223834, 258270, 309924, 335751, 387405, 447668, 516540, 559585, 671502, 774810, 1007253, 1119170, 1343004, 1549620, 1678755, 2014506, 2238340, 3357510, 4029012, 5036265, 6715020, 10072530, 20145060]

約数ペア:

[(1, 20145060), (2, 10072530), (3, 6715020), (4, 5036265), (5, 4029012), (6, 3357510), (9, 2238340), (10, 2014506), (12, 1678755), (13, 1549620), (15, 1343004), (18, 1119170), (20, 1007253), (26, 774810), (30, 671502), (36, 559585), (39, 516540), (45, 447668), (52, 387405), (60, 335751), (65, 309924), (78, 258270), (90, 223834), (117, 172180), (130, 154962), (156, 129135), (180, 111917), (195, 103308), (234, 86090), (260, 77481), (390, 51654), (468, 43045), (585, 34436), (780, 25827), (1170, 17218), (2340, 8609)]