20037549

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11481171

約数列:

[1, 3, 7, 21, 71, 89, 151, 213, 267, 453, 497, 623, 1057, 1491, 1869, 3171, 6319, 10721, 13439, 18957, 32163, 40317, 44233, 75047, 94073, 132699, 225141, 282219, 954169, 2862507, 6679183, 20037549]

約数ペア:

[(1, 20037549), (3, 6679183), (7, 2862507), (21, 954169), (71, 282219), (89, 225141), (151, 132699), (213, 94073), (267, 75047), (453, 44233), (497, 40317), (623, 32163), (1057, 18957), (1491, 13439), (1869, 10721), (3171, 6319)]