20123594556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{111493}}^1$

素因数の和:111615

約数の個数: 72

約数和(自身を含む): 51416573040

約数和(自身を除く): 31292978484

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 89, 156, 169, 178, 267, 338, 356, 507, 534, 676, 1014, 1068, 1157, 2028, 2314, 3471, 4628, 6942, 13884, 15041, 30082, 45123, 60164, 90246, 111493, 180492, 222986, 334479, 445972, 668958, 1337916, 1449409, 2898818, 4348227, 5797636, 8696454, 9922877, 17392908, 18842317, 19845754, 29768631, 37684634, 39691508, 56526951, 59537262, 75369268, 113053902, 119074524, 128997401, 226107804, 257994802, 386992203, 515989604, 773984406, 1547968812, 1676966213, 3353932426, 5030898639, 6707864852, 10061797278, 20123594556]

約数ペア:

[(1, 20123594556), (2, 10061797278), (3, 6707864852), (4, 5030898639), (6, 3353932426), (12, 1676966213), (13, 1547968812), (26, 773984406), (39, 515989604), (52, 386992203), (78, 257994802), (89, 226107804), (156, 128997401), (169, 119074524), (178, 113053902), (267, 75369268), (338, 59537262), (356, 56526951), (507, 39691508), (534, 37684634), (676, 29768631), (1014, 19845754), (1068, 18842317), (1157, 17392908), (2028, 9922877), (2314, 8696454), (3471, 5797636), (4628, 4348227), (6942, 2898818), (13884, 1449409), (15041, 1337916), (30082, 668958), (45123, 445972), (60164, 334479), (90246, 222986), (111493, 180492)]