20900070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{1283}}^1$

素因数の和:1477

約数の個数: 48

約数和(自身を含む): 54682992

約数和(自身を除く): 33782922

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1283, 1629, 1810, 2566, 2715, 3258, 3849, 5430, 6415, 7698, 8145, 11547, 12830, 16290, 19245, 23094, 38490, 57735, 115470, 232223, 464446, 696669, 1161115, 1393338, 2090007, 2322230, 3483345, 4180014, 6966690, 10450035, 20900070]

約数ペア:

[(1, 20900070), (2, 10450035), (3, 6966690), (5, 4180014), (6, 3483345), (9, 2322230), (10, 2090007), (15, 1393338), (18, 1161115), (30, 696669), (45, 464446), (90, 232223), (181, 115470), (362, 57735), (543, 38490), (905, 23094), (1086, 19245), (1283, 16290), (1629, 12830), (1810, 11547), (2566, 8145), (2715, 7698), (3258, 6415), (3849, 5430)]