20468520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56857}}^1$

素因数の和:56874

約数の個数: 48

約数和(自身を含む): 66523860

約数和(自身を除く): 46055340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56857, 113714, 170571, 227428, 284285, 341142, 454856, 511713, 568570, 682284, 852855, 1023426, 1137140, 1364568, 1705710, 2046852, 2274280, 2558565, 3411420, 4093704, 5117130, 6822840, 10234260, 20468520]

約数ペア:

[(1, 20468520), (2, 10234260), (3, 6822840), (4, 5117130), (5, 4093704), (6, 3411420), (8, 2558565), (9, 2274280), (10, 2046852), (12, 1705710), (15, 1364568), (18, 1137140), (20, 1023426), (24, 852855), (30, 682284), (36, 568570), (40, 511713), (45, 454856), (60, 341142), (72, 284285), (90, 227428), (120, 170571), (180, 113714), (360, 56857)]