120808784

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{18461}}^1$

素因数の和:18878

約数の個数: 20

約数和(自身を含む): 234652020

約数和(自身を除く): 113843236

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 18461, 36922, 73844, 147688, 295376, 7550549, 15101098, 30202196, 60404392, 120808784]

約数ペア:

[(1, 120808784), (2, 60404392), (4, 30202196), (8, 15101098), (16, 7550549), (409, 295376), (818, 147688), (1636, 73844), (3272, 36922), (6544, 18461)]