20159650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 43211520

約数和(自身を除く): 23051870

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 239, 241, 350, 478, 482, 1195, 1205, 1673, 1687, 2390, 2410, 3346, 3374, 5975, 6025, 8365, 8435, 11950, 12050, 16730, 16870, 41825, 42175, 57599, 83650, 84350, 115198, 287995, 403193, 575990, 806386, 1439975, 2015965, 2879950, 4031930, 10079825, 20159650]

約数ペア:

[(1, 20159650), (2, 10079825), (5, 4031930), (7, 2879950), (10, 2015965), (14, 1439975), (25, 806386), (35, 575990), (50, 403193), (70, 287995), (175, 115198), (239, 84350), (241, 83650), (350, 57599), (478, 42175), (482, 41825), (1195, 16870), (1205, 16730), (1673, 12050), (1687, 11950), (2390, 8435), (2410, 8365), (3346, 6025), (3374, 5975)]