20125955330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7417}}^1\times {\mathrm{20873}}^1$

素因数の和:28310

約数の個数: 32

約数和(自身を含む): 39020519664

約数和(自身を除く): 18894564334

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 7417, 14834, 20873, 37085, 41746, 74170, 96421, 104365, 192842, 208730, 271349, 482105, 542698, 964210, 1356745, 2713490, 154815041, 309630082, 774075205, 1548150410, 2012595533, 4025191066, 10062977665, 20125955330]

約数ペア:

[(1, 20125955330), (2, 10062977665), (5, 4025191066), (10, 2012595533), (13, 1548150410), (26, 774075205), (65, 309630082), (130, 154815041), (7417, 2713490), (14834, 1356745), (20873, 964210), (37085, 542698), (41746, 482105), (74170, 271349), (96421, 208730), (104365, 192842)]