20368218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 45061920

約数和(自身を除く): 24693702

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 169, 318, 338, 379, 507, 689, 758, 1014, 1137, 1378, 2067, 2274, 4134, 4927, 8957, 9854, 14781, 17914, 20087, 26871, 29562, 40174, 53742, 60261, 64051, 120522, 128102, 192153, 261131, 384306, 522262, 783393, 1566786, 3394703, 6789406, 10184109, 20368218]

約数ペア:

[(1, 20368218), (2, 10184109), (3, 6789406), (6, 3394703), (13, 1566786), (26, 783393), (39, 522262), (53, 384306), (78, 261131), (106, 192153), (159, 128102), (169, 120522), (318, 64051), (338, 60261), (379, 53742), (507, 40174), (689, 29562), (758, 26871), (1014, 20087), (1137, 17914), (1378, 14781), (2067, 9854), (2274, 8957), (4134, 4927)]