20948704

素因数分解:

$2^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2281}}^1$

素因数の和:2339

約数の個数: 48

約数和(自身を含む): 48305376

約数和(自身を除く): 27356672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 56, 82, 112, 164, 224, 287, 328, 574, 656, 1148, 1312, 2281, 2296, 4562, 4592, 9124, 9184, 15967, 18248, 31934, 36496, 63868, 72992, 93521, 127736, 187042, 255472, 374084, 510944, 654647, 748168, 1309294, 1496336, 2618588, 2992672, 5237176, 10474352, 20948704]

約数ペア:

[(1, 20948704), (2, 10474352), (4, 5237176), (7, 2992672), (8, 2618588), (14, 1496336), (16, 1309294), (28, 748168), (32, 654647), (41, 510944), (56, 374084), (82, 255472), (112, 187042), (164, 127736), (224, 93521), (287, 72992), (328, 63868), (574, 36496), (656, 31934), (1148, 18248), (1312, 15967), (2281, 9184), (2296, 9124), (4562, 4592)]