20313436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2089}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 23927684

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2089, 2431, 4178, 4862, 8356, 9724, 22979, 27157, 35513, 45958, 54314, 71026, 91916, 108628, 142052, 298727, 390643, 461669, 597454, 781286, 923338, 1194908, 1562572, 1846676, 5078359, 10156718, 20313436]

約数ペア:

[(1, 20313436), (2, 10156718), (4, 5078359), (11, 1846676), (13, 1562572), (17, 1194908), (22, 923338), (26, 781286), (34, 597454), (44, 461669), (52, 390643), (68, 298727), (143, 142052), (187, 108628), (221, 91916), (286, 71026), (374, 54314), (442, 45958), (572, 35513), (748, 27157), (884, 22979), (2089, 9724), (2431, 8356), (4178, 4862)]