20167020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{619}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 61610640

約数和(自身を除く): 41443620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 619, 724, 905, 1086, 1238, 1629, 1810, 1857, 2172, 2476, 2715, 3095, 3258, 3620, 3714, 5430, 5571, 6190, 6516, 7428, 8145, 9285, 10860, 11142, 12380, 16290, 18570, 22284, 27855, 32580, 37140, 55710, 111420, 112039, 224078, 336117, 448156, 560195, 672234, 1008351, 1120390, 1344468, 1680585, 2016702, 2240780, 3361170, 4033404, 5041755, 6722340, 10083510, 20167020]

約数ペア:

[(1, 20167020), (2, 10083510), (3, 6722340), (4, 5041755), (5, 4033404), (6, 3361170), (9, 2240780), (10, 2016702), (12, 1680585), (15, 1344468), (18, 1120390), (20, 1008351), (30, 672234), (36, 560195), (45, 448156), (60, 336117), (90, 224078), (180, 112039), (181, 111420), (362, 55710), (543, 37140), (619, 32580), (724, 27855), (905, 22284), (1086, 18570), (1238, 16290), (1629, 12380), (1810, 11142), (1857, 10860), (2172, 9285), (2476, 8145), (2715, 7428), (3095, 6516), (3258, 6190), (3620, 5571), (3714, 5430)]