20663048

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8581}}^1$

素因数の和:8637

約数の個数: 32

約数和(自身を含む): 45312960

約数和(自身を除く): 24649912

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 8581, 17162, 34324, 60067, 68648, 120134, 240268, 368983, 480536, 737966, 1475932, 2582881, 2951864, 5165762, 10331524, 20663048]

約数ペア:

[(1, 20663048), (2, 10331524), (4, 5165762), (7, 2951864), (8, 2582881), (14, 1475932), (28, 737966), (43, 480536), (56, 368983), (86, 240268), (172, 120134), (301, 68648), (344, 60067), (602, 34324), (1204, 17162), (2408, 8581)]