20464371

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1789}}^1$

素因数の和:1867

約数の個数: 24

約数和(自身を含む): 31274880

約数和(自身を除く): 10810509

約数列:

[1, 3, 9, 31, 41, 93, 123, 279, 369, 1271, 1789, 3813, 5367, 11439, 16101, 55459, 73349, 166377, 220047, 499131, 660141, 2273819, 6821457, 20464371]

約数ペア:

[(1, 20464371), (3, 6821457), (9, 2273819), (31, 660141), (41, 499131), (93, 220047), (123, 166377), (279, 73349), (369, 55459), (1271, 16101), (1789, 11439), (3813, 5367)]