20820924

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7321}}^1$

素因数の和:7410

約数の個数: 36

約数和(自身を含む): 53304160

約数和(自身を除く): 32483236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7321, 14642, 21963, 29284, 43926, 65889, 87852, 131778, 263556, 578359, 1156718, 1735077, 2313436, 3470154, 5205231, 6940308, 10410462, 20820924]

約数ペア:

[(1, 20820924), (2, 10410462), (3, 6940308), (4, 5205231), (6, 3470154), (9, 2313436), (12, 1735077), (18, 1156718), (36, 578359), (79, 263556), (158, 131778), (237, 87852), (316, 65889), (474, 43926), (711, 29284), (948, 21963), (1422, 14642), (2844, 7321)]