20792275

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 32408640

約数和(自身を除く): 11616365

約数列:

[1, 5, 7, 17, 25, 29, 35, 85, 119, 145, 175, 203, 241, 425, 493, 595, 725, 1015, 1205, 1687, 2465, 2975, 3451, 4097, 5075, 6025, 6989, 8435, 12325, 17255, 20485, 28679, 34945, 42175, 48923, 86275, 102425, 118813, 143395, 174725, 244615, 594065, 716975, 831691, 1223075, 2970325, 4158455, 20792275]

約数ペア:

[(1, 20792275), (5, 4158455), (7, 2970325), (17, 1223075), (25, 831691), (29, 716975), (35, 594065), (85, 244615), (119, 174725), (145, 143395), (175, 118813), (203, 102425), (241, 86275), (425, 48923), (493, 42175), (595, 34945), (725, 28679), (1015, 20485), (1205, 17255), (1687, 12325), (2465, 8435), (2975, 6989), (3451, 6025), (4097, 5075)]