20580448

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1163}}^1$

素因数の和:1259

約数の個数: 48

約数和(自身を含む): 46932480

約数和(自身を除く): 26352032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 158, 224, 316, 553, 632, 1106, 1163, 1264, 2212, 2326, 2528, 4424, 4652, 8141, 8848, 9304, 16282, 17696, 18608, 32564, 37216, 65128, 91877, 130256, 183754, 260512, 367508, 643139, 735016, 1286278, 1470032, 2572556, 2940064, 5145112, 10290224, 20580448]

約数ペア:

[(1, 20580448), (2, 10290224), (4, 5145112), (7, 2940064), (8, 2572556), (14, 1470032), (16, 1286278), (28, 735016), (32, 643139), (56, 367508), (79, 260512), (112, 183754), (158, 130256), (224, 91877), (316, 65128), (553, 37216), (632, 32564), (1106, 18608), (1163, 17696), (1264, 16282), (2212, 9304), (2326, 8848), (2528, 8141), (4424, 4652)]