20946564

素因数分解:

$2^2\times 3^2\times {\mathrm{571}}^1\times {\mathrm{1019}}^1$

素因数の和:1600

約数の個数: 36

約数和(自身を含む): 53093040

約数和(自身を除く): 32146476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 571, 1019, 1142, 1713, 2038, 2284, 3057, 3426, 4076, 5139, 6114, 6852, 9171, 10278, 12228, 18342, 20556, 36684, 581849, 1163698, 1745547, 2327396, 3491094, 5236641, 6982188, 10473282, 20946564]

約数ペア:

[(1, 20946564), (2, 10473282), (3, 6982188), (4, 5236641), (6, 3491094), (9, 2327396), (12, 1745547), (18, 1163698), (36, 581849), (571, 36684), (1019, 20556), (1142, 18342), (1713, 12228), (2038, 10278), (2284, 9171), (3057, 6852), (3426, 6114), (4076, 5139)]