20542548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3559}}^1$

素因数の和:3616

約数の個数: 48

約数和(自身を含む): 53029760

約数和(自身を除く): 32487212

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 3559, 5772, 7118, 10677, 14236, 21354, 42708, 46267, 92534, 131683, 138801, 185068, 263366, 277602, 395049, 526732, 555204, 790098, 1580196, 1711879, 3423758, 5135637, 6847516, 10271274, 20542548]

約数ペア:

[(1, 20542548), (2, 10271274), (3, 6847516), (4, 5135637), (6, 3423758), (12, 1711879), (13, 1580196), (26, 790098), (37, 555204), (39, 526732), (52, 395049), (74, 277602), (78, 263366), (111, 185068), (148, 138801), (156, 131683), (222, 92534), (444, 46267), (481, 42708), (962, 21354), (1443, 14236), (1924, 10677), (2886, 7118), (3559, 5772)]