20750760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{57641}}^1$

素因数の和:57658

約数の個数: 48

約数和(自身を含む): 67441140

約数和(自身を除く): 46690380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 57641, 115282, 172923, 230564, 288205, 345846, 461128, 518769, 576410, 691692, 864615, 1037538, 1152820, 1383384, 1729230, 2075076, 2305640, 2593845, 3458460, 4150152, 5187690, 6916920, 10375380, 20750760]

約数ペア:

[(1, 20750760), (2, 10375380), (3, 6916920), (4, 5187690), (5, 4150152), (6, 3458460), (8, 2593845), (9, 2305640), (10, 2075076), (12, 1729230), (15, 1383384), (18, 1152820), (20, 1037538), (24, 864615), (30, 691692), (36, 576410), (40, 518769), (45, 461128), (60, 345846), (72, 288205), (90, 230564), (120, 172923), (180, 115282), (360, 57641)]