20148752556

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{1063}}^1\times {\mathrm{2203}}^1$

素因数の和:3515

約数の個数: 72

約数和(自身を含む): 51216023040

約数和(自身を除く): 31067270484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1063, 1434, 2126, 2151, 2203, 2868, 3189, 4252, 4302, 4406, 6378, 6609, 8604, 8812, 9567, 12756, 13218, 19134, 19827, 26436, 38268, 39654, 79308, 254057, 508114, 526517, 762171, 1016228, 1053034, 1524342, 1579551, 2106068, 2286513, 2341789, 3048684, 3159102, 4573026, 4683578, 4738653, 6318204, 7025367, 9146052, 9367156, 9477306, 14050734, 18954612, 21076101, 28101468, 42152202, 84304404, 559687571, 1119375142, 1679062713, 2238750284, 3358125426, 5037188139, 6716250852, 10074376278, 20148752556]

約数ペア:

[(1, 20148752556), (2, 10074376278), (3, 6716250852), (4, 5037188139), (6, 3358125426), (9, 2238750284), (12, 1679062713), (18, 1119375142), (36, 559687571), (239, 84304404), (478, 42152202), (717, 28101468), (956, 21076101), (1063, 18954612), (1434, 14050734), (2126, 9477306), (2151, 9367156), (2203, 9146052), (2868, 7025367), (3189, 6318204), (4252, 4738653), (4302, 4683578), (4406, 4573026), (6378, 3159102), (6609, 3048684), (8604, 2341789), (8812, 2286513), (9567, 2106068), (12756, 1579551), (13218, 1524342), (19134, 1053034), (19827, 1016228), (26436, 762171), (38268, 526517), (39654, 508114), (79308, 254057)]