20649204

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{3169}}^1$

素因数の和:3360

約数の個数: 36

約数和(自身を含む): 52501540

約数和(自身を除く): 31852336

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3169, 3258, 6338, 6516, 9507, 12676, 19014, 28521, 38028, 57042, 114084, 573589, 1147178, 1720767, 2294356, 3441534, 5162301, 6883068, 10324602, 20649204]

約数ペア:

[(1, 20649204), (2, 10324602), (3, 6883068), (4, 5162301), (6, 3441534), (9, 2294356), (12, 1720767), (18, 1147178), (36, 573589), (181, 114084), (362, 57042), (543, 38028), (724, 28521), (1086, 19014), (1629, 12676), (2172, 9507), (3169, 6516), (3258, 6338)]