20156820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10837}}^1$

素因数の和:10880

約数の個数: 48

約数和(自身を含む): 58265088

約数和(自身を除く): 38108268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10837, 21674, 32511, 43348, 54185, 65022, 108370, 130044, 162555, 216740, 325110, 335947, 650220, 671894, 1007841, 1343788, 1679735, 2015682, 3359470, 4031364, 5039205, 6718940, 10078410, 20156820]

約数ペア:

[(1, 20156820), (2, 10078410), (3, 6718940), (4, 5039205), (5, 4031364), (6, 3359470), (10, 2015682), (12, 1679735), (15, 1343788), (20, 1007841), (30, 671894), (31, 650220), (60, 335947), (62, 325110), (93, 216740), (124, 162555), (155, 130044), (186, 108370), (310, 65022), (372, 54185), (465, 43348), (620, 32511), (930, 21674), (1860, 10837)]