20238972236

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1\times {\mathrm{17789}}^1$

素因数の和:18206

約数の個数: 48

約数和(自身を含む): 40885689600

約数和(自身を除く): 20646717364

約数列:

[1, 2, 4, 7, 14, 28, 179, 227, 358, 454, 716, 908, 1253, 1589, 2506, 3178, 5012, 6356, 17789, 35578, 40633, 71156, 81266, 124523, 162532, 249046, 284431, 498092, 568862, 1137724, 3184231, 4038103, 6368462, 8076206, 12736924, 16152412, 22289617, 28266721, 44579234, 56533442, 89158468, 113066884, 722820437, 1445640874, 2891281748, 5059743059, 10119486118, 20238972236]

約数ペア:

[(1, 20238972236), (2, 10119486118), (4, 5059743059), (7, 2891281748), (14, 1445640874), (28, 722820437), (179, 113066884), (227, 89158468), (358, 56533442), (454, 44579234), (716, 28266721), (908, 22289617), (1253, 16152412), (1589, 12736924), (2506, 8076206), (3178, 6368462), (5012, 4038103), (6356, 3184231), (17789, 1137724), (35578, 568862), (40633, 498092), (71156, 284431), (81266, 249046), (124523, 162532)]