20756436

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1543}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 51878400

約数和(自身を除く): 31121964

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 59, 76, 114, 118, 177, 228, 236, 354, 708, 1121, 1543, 2242, 3086, 3363, 4484, 4629, 6172, 6726, 9258, 13452, 18516, 29317, 58634, 87951, 91037, 117268, 175902, 182074, 273111, 351804, 364148, 546222, 1092444, 1729703, 3459406, 5189109, 6918812, 10378218, 20756436]

約数ペア:

[(1, 20756436), (2, 10378218), (3, 6918812), (4, 5189109), (6, 3459406), (12, 1729703), (19, 1092444), (38, 546222), (57, 364148), (59, 351804), (76, 273111), (114, 182074), (118, 175902), (177, 117268), (228, 91037), (236, 87951), (354, 58634), (708, 29317), (1121, 18516), (1543, 13452), (2242, 9258), (3086, 6726), (3363, 6172), (4484, 4629)]