20178587568

素因数分解:

$2^4\times 3^1\times {\mathrm{420387241}}^1$

素因数の和:420387252

約数の個数: 20

約数和(自身を含む): 52128018008

約数和(自身を除く): 31949430440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 420387241, 840774482, 1261161723, 1681548964, 2522323446, 3363097928, 5044646892, 6726195856, 10089293784, 20178587568]

約数ペア:

[(1, 20178587568), (2, 10089293784), (3, 6726195856), (4, 5044646892), (6, 3363097928), (8, 2522323446), (12, 1681548964), (16, 1261161723), (24, 840774482), (48, 420387241)]