19700460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8419}}^1$

素因数の和:8447

約数の個数: 72

約数和(自身を含む): 64362480

約数和(自身を除く): 44662020

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, 8419, 16838, 25257, 33676, 42095, 50514, 75771, 84190, 101028, 109447, 126285, 151542, 168380, 218894, 252570, 303084, 328341, 378855, 437788, 505140, 547235, 656682, 757710, 985023, 1094470, 1313364, 1515420, 1641705, 1970046, 2188940, 3283410, 3940092, 4925115, 6566820, 9850230, 19700460]

約数ペア:

[(1, 19700460), (2, 9850230), (3, 6566820), (4, 4925115), (5, 3940092), (6, 3283410), (9, 2188940), (10, 1970046), (12, 1641705), (13, 1515420), (15, 1313364), (18, 1094470), (20, 985023), (26, 757710), (30, 656682), (36, 547235), (39, 505140), (45, 437788), (52, 378855), (60, 328341), (65, 303084), (78, 252570), (90, 218894), (117, 168380), (130, 151542), (156, 126285), (180, 109447), (195, 101028), (234, 84190), (260, 75771), (390, 50514), (468, 42095), (585, 33676), (780, 25257), (1170, 16838), (2340, 8419)]