20877216

素因数分解:

$2^5\times 3^1\times {\mathrm{29}}^1\times {\mathrm{7499}}^1$

素因数の和:7541

約数の個数: 48

約数和(自身を含む): 56700000

約数和(自身を除く): 35822784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 87, 96, 116, 174, 232, 348, 464, 696, 928, 1392, 2784, 7499, 14998, 22497, 29996, 44994, 59992, 89988, 119984, 179976, 217471, 239968, 359952, 434942, 652413, 719904, 869884, 1304826, 1739768, 2609652, 3479536, 5219304, 6959072, 10438608, 20877216]

約数ペア:

[(1, 20877216), (2, 10438608), (3, 6959072), (4, 5219304), (6, 3479536), (8, 2609652), (12, 1739768), (16, 1304826), (24, 869884), (29, 719904), (32, 652413), (48, 434942), (58, 359952), (87, 239968), (96, 217471), (116, 179976), (174, 119984), (232, 89988), (348, 59992), (464, 44994), (696, 29996), (928, 22497), (1392, 14998), (2784, 7499)]