20186422025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{243871}}^1$

素因数の和:243942

約数の個数: 48

約数和(自身を含む): 31933575168

約数和(自身を除く): 11747153143

約数列:

[1, 5, 7, 11, 25, 35, 43, 55, 77, 175, 215, 275, 301, 385, 473, 1075, 1505, 1925, 2365, 3311, 7525, 11825, 16555, 82775, 243871, 1219355, 1707097, 2682581, 6096775, 8535485, 10486453, 13412905, 18778067, 42677425, 52432265, 67064525, 73405171, 93890335, 115350983, 262161325, 367025855, 469451675, 576754915, 807456881, 1835129275, 2883774575, 4037284405, 20186422025]

約数ペア:

[(1, 20186422025), (5, 4037284405), (7, 2883774575), (11, 1835129275), (25, 807456881), (35, 576754915), (43, 469451675), (55, 367025855), (77, 262161325), (175, 115350983), (215, 93890335), (275, 73405171), (301, 67064525), (385, 52432265), (473, 42677425), (1075, 18778067), (1505, 13412905), (1925, 10486453), (2365, 8535485), (3311, 6096775), (7525, 2682581), (11825, 1707097), (16555, 1219355), (82775, 243871)]