20401394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 35317296

約数和(自身を除く): 14915902

約数列:

[1, 2, 13, 17, 26, 34, 101, 202, 221, 442, 457, 914, 1313, 1717, 2626, 3434, 5941, 7769, 11882, 15538, 22321, 44642, 46157, 92314, 100997, 201994, 600041, 784669, 1200082, 1569338, 10200697, 20401394]

約数ペア:

[(1, 20401394), (2, 10200697), (13, 1569338), (17, 1200082), (26, 784669), (34, 600041), (101, 201994), (202, 100997), (221, 92314), (442, 46157), (457, 44642), (914, 22321), (1313, 15538), (1717, 11882), (2626, 7769), (3434, 5941)]