20403311050

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{131507}}^1$

素因数の和:131655

約数の個数: 48

約数和(自身を含む): 39625990560

約数和(自身を除く): 19222679510

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 107, 145, 214, 290, 535, 725, 1070, 1450, 2675, 3103, 5350, 6206, 15515, 31030, 77575, 131507, 155150, 263014, 657535, 1315070, 3287675, 3813703, 6575350, 7627406, 14071249, 19068515, 28142498, 38137030, 70356245, 95342575, 140712490, 190685150, 351781225, 408066221, 703562450, 816132442, 2040331105, 4080662210, 10201655525, 20403311050]

約数ペア:

[(1, 20403311050), (2, 10201655525), (5, 4080662210), (10, 2040331105), (25, 816132442), (29, 703562450), (50, 408066221), (58, 351781225), (107, 190685150), (145, 140712490), (214, 95342575), (290, 70356245), (535, 38137030), (725, 28142498), (1070, 19068515), (1450, 14071249), (2675, 7627406), (3103, 6575350), (5350, 3813703), (6206, 3287675), (15515, 1315070), (31030, 657535), (77575, 263014), (131507, 155150)]