2020967515

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{4663}}^1$

素因数の和:4772

約数の個数: 48

約数和(自身を含む): 2966863680

約数和(自身を除く): 945896165

約数列:

[1, 5, 7, 29, 35, 49, 61, 145, 203, 245, 305, 427, 1015, 1421, 1769, 2135, 2989, 4663, 7105, 8845, 12383, 14945, 23315, 32641, 61915, 86681, 135227, 163205, 228487, 284443, 433405, 676135, 946589, 1142435, 1422215, 1991101, 4732945, 6626123, 8248847, 9955505, 13937707, 33130615, 41244235, 57741929, 69688535, 288709645, 404193503, 2020967515]

約数ペア:

[(1, 2020967515), (5, 404193503), (7, 288709645), (29, 69688535), (35, 57741929), (49, 41244235), (61, 33130615), (145, 13937707), (203, 9955505), (245, 8248847), (305, 6626123), (427, 4732945), (1015, 1991101), (1421, 1422215), (1769, 1142435), (2135, 946589), (2989, 676135), (4663, 433405), (7105, 284443), (8845, 228487), (12383, 163205), (14945, 135227), (23315, 86681), (32641, 61915)]