20247316921

素因数分解:

${\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21089}}^1$

素因数の和:21170

約数の個数: 32

約数和(自身を含む): 24093216000

約数和(自身を除く): 3845899079

約数列:

[1, 13, 19, 23, 169, 247, 299, 437, 2197, 3211, 3887, 5681, 21089, 41743, 50531, 73853, 274157, 400691, 485047, 960089, 3564041, 5208983, 6305611, 9215893, 46332533, 67716779, 81972943, 119806609, 880318127, 1065648259, 1557485917, 20247316921]

約数ペア:

[(1, 20247316921), (13, 1557485917), (19, 1065648259), (23, 880318127), (169, 119806609), (247, 81972943), (299, 67716779), (437, 46332533), (2197, 9215893), (3211, 6305611), (3887, 5208983), (5681, 3564041), (21089, 960089), (41743, 485047), (50531, 400691), (73853, 274157)]