20879952

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{18913}}^1$

素因数の和:18947

約数の個数: 40

約数和(自身を含む): 56288064

約数和(自身を除く): 35408112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 184, 276, 368, 552, 1104, 18913, 37826, 56739, 75652, 113478, 151304, 226956, 302608, 434999, 453912, 869998, 907824, 1304997, 1739996, 2609994, 3479992, 5219988, 6959984, 10439976, 20879952]

約数ペア:

[(1, 20879952), (2, 10439976), (3, 6959984), (4, 5219988), (6, 3479992), (8, 2609994), (12, 1739996), (16, 1304997), (23, 907824), (24, 869998), (46, 453912), (48, 434999), (69, 302608), (92, 226956), (138, 151304), (184, 113478), (276, 75652), (368, 56739), (552, 37826), (1104, 18913)]