20202237

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12698883

約数列:

[1, 3, 9, 11, 27, 33, 99, 251, 271, 297, 753, 813, 2259, 2439, 2761, 2981, 6777, 7317, 8283, 8943, 24849, 26829, 68021, 74547, 80487, 204063, 612189, 748231, 1836567, 2244693, 6734079, 20202237]

約数ペア:

[(1, 20202237), (3, 6734079), (9, 2244693), (11, 1836567), (27, 748231), (33, 612189), (99, 204063), (251, 80487), (271, 74547), (297, 68021), (753, 26829), (813, 24849), (2259, 8943), (2439, 8283), (2761, 7317), (2981, 6777)]