20228950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2041

約数の個数: 48

約数和(自身を含む): 44506080

約数和(自身を除く): 24277130

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 1993, 2030, 3986, 5075, 9965, 10150, 13951, 19930, 27902, 49825, 57797, 69755, 99650, 115594, 139510, 288985, 348775, 404579, 577970, 697550, 809158, 1444925, 2022895, 2889850, 4045790, 10114475, 20228950]

約数ペア:

[(1, 20228950), (2, 10114475), (5, 4045790), (7, 2889850), (10, 2022895), (14, 1444925), (25, 809158), (29, 697550), (35, 577970), (50, 404579), (58, 348775), (70, 288985), (145, 139510), (175, 115594), (203, 99650), (290, 69755), (350, 57797), (406, 49825), (725, 27902), (1015, 19930), (1450, 13951), (1993, 10150), (2030, 9965), (3986, 5075)]