20403979772

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{311}}^1\times {\mathrm{12323}}^1$

素因数の和:12671

約数の個数: 48

約数和(自身を含む): 39404461824

約数和(自身を除く): 19000482052

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 311, 484, 622, 1244, 1331, 2662, 3421, 5324, 6842, 12323, 13684, 24646, 37631, 49292, 75262, 135553, 150524, 271106, 413941, 542212, 827882, 1491083, 1655764, 2982166, 3832453, 5964332, 7664906, 15329812, 16401913, 32803826, 42156983, 65607652, 84313966, 168627932, 463726813, 927453626, 1854907252, 5100994943, 10201989886, 20403979772]

約数ペア:

[(1, 20403979772), (2, 10201989886), (4, 5100994943), (11, 1854907252), (22, 927453626), (44, 463726813), (121, 168627932), (242, 84313966), (311, 65607652), (484, 42156983), (622, 32803826), (1244, 16401913), (1331, 15329812), (2662, 7664906), (3421, 5964332), (5324, 3832453), (6842, 2982166), (12323, 1655764), (13684, 1491083), (24646, 827882), (37631, 542212), (49292, 413941), (75262, 271106), (135553, 150524)]