20448868290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1\times {\mathrm{39887}}^1$

素因数の和:40663

約数の個数: 64

約数和(自身を含む): 51281289216

約数和(自身を除く): 30832420926

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 743, 1486, 2229, 3715, 4458, 7430, 11145, 17089, 22290, 34178, 39887, 51267, 79774, 85445, 102534, 119661, 170890, 199435, 239322, 256335, 398870, 512670, 598305, 917401, 1196610, 1834802, 2752203, 4587005, 5504406, 9174010, 13761015, 27522030, 29636041, 59272082, 88908123, 148180205, 177816246, 296360410, 444540615, 681628943, 889081230, 1363257886, 2044886829, 3408144715, 4089773658, 6816289430, 10224434145, 20448868290]

約数ペア:

[(1, 20448868290), (2, 10224434145), (3, 6816289430), (5, 4089773658), (6, 3408144715), (10, 2044886829), (15, 1363257886), (23, 889081230), (30, 681628943), (46, 444540615), (69, 296360410), (115, 177816246), (138, 148180205), (230, 88908123), (345, 59272082), (690, 29636041), (743, 27522030), (1486, 13761015), (2229, 9174010), (3715, 5504406), (4458, 4587005), (7430, 2752203), (11145, 1834802), (17089, 1196610), (22290, 917401), (34178, 598305), (39887, 512670), (51267, 398870), (79774, 256335), (85445, 239322), (102534, 199435), (119661, 170890)]