20123386040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{967}}^1\times {\mathrm{5051}}^1$

素因数の和:6132

約数の個数: 64

約数和(自身を含む): 45773544960

約数和(自身を除く): 25650158920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 967, 1030, 1934, 2060, 3868, 4120, 4835, 5051, 7736, 9670, 10102, 19340, 20204, 25255, 38680, 40408, 50510, 99601, 101020, 199202, 202040, 398404, 498005, 520253, 796808, 996010, 1040506, 1992020, 2081012, 2601265, 3984040, 4162024, 4884317, 5202530, 9768634, 10405060, 19537268, 20810120, 24421585, 39074536, 48843170, 97686340, 195372680, 503084651, 1006169302, 2012338604, 2515423255, 4024677208, 5030846510, 10061693020, 20123386040]

約数ペア:

[(1, 20123386040), (2, 10061693020), (4, 5030846510), (5, 4024677208), (8, 2515423255), (10, 2012338604), (20, 1006169302), (40, 503084651), (103, 195372680), (206, 97686340), (412, 48843170), (515, 39074536), (824, 24421585), (967, 20810120), (1030, 19537268), (1934, 10405060), (2060, 9768634), (3868, 5202530), (4120, 4884317), (4835, 4162024), (5051, 3984040), (7736, 2601265), (9670, 2081012), (10102, 1992020), (19340, 1040506), (20204, 996010), (25255, 796808), (38680, 520253), (40408, 498005), (50510, 398404), (99601, 202040), (101020, 199202)]