20012310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{971}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 52313040

約数和(自身を除く): 32300730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229, 458, 687, 971, 1145, 1374, 1942, 2061, 2290, 2913, 3435, 4122, 4855, 5826, 6870, 8739, 9710, 10305, 14565, 17478, 20610, 29130, 43695, 87390, 222359, 444718, 667077, 1111795, 1334154, 2001231, 2223590, 3335385, 4002462, 6670770, 10006155, 20012310]

約数ペア:

[(1, 20012310), (2, 10006155), (3, 6670770), (5, 4002462), (6, 3335385), (9, 2223590), (10, 2001231), (15, 1334154), (18, 1111795), (30, 667077), (45, 444718), (90, 222359), (229, 87390), (458, 43695), (687, 29130), (971, 20610), (1145, 17478), (1374, 14565), (1942, 10305), (2061, 9710), (2290, 8739), (2913, 6870), (3435, 5826), (4122, 4855)]