20214380690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{163243}}^1$

素因数の和:163347

約数の個数: 64

約数和(自身を含む): 43723272960

約数和(自身を除く): 23508892270

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 61, 70, 122, 145, 203, 290, 305, 406, 427, 610, 854, 1015, 1769, 2030, 2135, 3538, 4270, 8845, 12383, 17690, 24766, 61915, 123830, 163243, 326486, 816215, 1142701, 1632430, 2285402, 4734047, 5713505, 9468094, 9957823, 11427010, 19915646, 23670235, 33138329, 47340470, 49789115, 66276658, 69704761, 99578230, 139409522, 165691645, 288776867, 331383290, 348523805, 577553734, 697047610, 1443884335, 2021438069, 2887768670, 4042876138, 10107190345, 20214380690]

約数ペア:

[(1, 20214380690), (2, 10107190345), (5, 4042876138), (7, 2887768670), (10, 2021438069), (14, 1443884335), (29, 697047610), (35, 577553734), (58, 348523805), (61, 331383290), (70, 288776867), (122, 165691645), (145, 139409522), (203, 99578230), (290, 69704761), (305, 66276658), (406, 49789115), (427, 47340470), (610, 33138329), (854, 23670235), (1015, 19915646), (1769, 11427010), (2030, 9957823), (2135, 9468094), (3538, 5713505), (4270, 4734047), (8845, 2285402), (12383, 1632430), (17690, 1142701), (24766, 816215), (61915, 326486), (123830, 163243)]