20019350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1665

約数の個数: 48

約数和(自身を含む): 42236880

約数和(自身を除く): 22217530

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1621, 2470, 3242, 6175, 8105, 12350, 16210, 21073, 30799, 40525, 42146, 61598, 81050, 105365, 153995, 210730, 307990, 400387, 526825, 769975, 800774, 1053650, 1539950, 2001935, 4003870, 10009675, 20019350]

約数ペア:

[(1, 20019350), (2, 10009675), (5, 4003870), (10, 2001935), (13, 1539950), (19, 1053650), (25, 800774), (26, 769975), (38, 526825), (50, 400387), (65, 307990), (95, 210730), (130, 153995), (190, 105365), (247, 81050), (325, 61598), (475, 42146), (494, 40525), (650, 30799), (950, 21073), (1235, 16210), (1621, 12350), (2470, 8105), (3242, 6175)]