20460500

素因数分解:

$2^2\times 5^3\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:441

約数の個数: 48

約数和(自身を含む): 45147648

約数和(自身を除く): 24687148

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 151, 250, 271, 302, 500, 542, 604, 755, 1084, 1355, 1510, 2710, 3020, 3775, 5420, 6775, 7550, 13550, 15100, 18875, 27100, 33875, 37750, 40921, 67750, 75500, 81842, 135500, 163684, 204605, 409210, 818420, 1023025, 2046050, 4092100, 5115125, 10230250, 20460500]

約数ペア:

[(1, 20460500), (2, 10230250), (4, 5115125), (5, 4092100), (10, 2046050), (20, 1023025), (25, 818420), (50, 409210), (100, 204605), (125, 163684), (151, 135500), (250, 81842), (271, 75500), (302, 67750), (500, 40921), (542, 37750), (604, 33875), (755, 27100), (1084, 18875), (1355, 15100), (1510, 13550), (2710, 7550), (3020, 6775), (3775, 5420)]