20539896

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1596

約数の個数: 64

約数和(自身を含む): 56622720

約数和(自身を除く): 36082824

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1531, 1677, 2236, 3062, 3354, 4472, 4593, 6124, 6708, 9186, 12248, 13416, 18372, 19903, 36744, 39806, 59709, 65833, 79612, 119418, 131666, 159224, 197499, 238836, 263332, 394998, 477672, 526664, 789996, 855829, 1579992, 1711658, 2567487, 3423316, 5134974, 6846632, 10269948, 20539896]

約数ペア:

[(1, 20539896), (2, 10269948), (3, 6846632), (4, 5134974), (6, 3423316), (8, 2567487), (12, 1711658), (13, 1579992), (24, 855829), (26, 789996), (39, 526664), (43, 477672), (52, 394998), (78, 263332), (86, 238836), (104, 197499), (129, 159224), (156, 131666), (172, 119418), (258, 79612), (312, 65833), (344, 59709), (516, 39806), (559, 36744), (1032, 19903), (1118, 18372), (1531, 13416), (1677, 12248), (2236, 9186), (3062, 6708), (3354, 6124), (4472, 4593)]