20138992048

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4385669}}^1$

素因数の和:4385725

約数の個数: 40

約数和(自身を含む): 45681138720

約数和(自身を除く): 25542146672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 4385669, 8771338, 17542676, 30699683, 35085352, 61399366, 70170704, 122798732, 179812429, 245597464, 359624858, 491194928, 719249716, 1258687003, 1438499432, 2517374006, 2876998864, 5034748012, 10069496024, 20138992048]

約数ペア:

[(1, 20138992048), (2, 10069496024), (4, 5034748012), (7, 2876998864), (8, 2517374006), (14, 1438499432), (16, 1258687003), (28, 719249716), (41, 491194928), (56, 359624858), (82, 245597464), (112, 179812429), (164, 122798732), (287, 70170704), (328, 61399366), (574, 35085352), (656, 30699683), (1148, 17542676), (2296, 8771338), (4592, 4385669)]