20249801

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 26006400

約数和(自身を除く): 5756599

約数列:

[1, 11, 13, 19, 29, 143, 209, 247, 257, 319, 377, 551, 2717, 2827, 3341, 4147, 4883, 6061, 7163, 7453, 36751, 53713, 63479, 78793, 81983, 96889, 141607, 698269, 1065779, 1557677, 1840891, 20249801]

約数ペア:

[(1, 20249801), (11, 1840891), (13, 1557677), (19, 1065779), (29, 698269), (143, 141607), (209, 96889), (247, 81983), (257, 78793), (319, 63479), (377, 53713), (551, 36751), (2717, 7453), (2827, 7163), (3341, 6061), (4147, 4883)]