20569724

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 22104964

約数列:

[1, 2, 4, 7, 14, 28, 53, 83, 106, 166, 167, 212, 332, 334, 371, 581, 668, 742, 1162, 1169, 1484, 2324, 2338, 4399, 4676, 8798, 8851, 13861, 17596, 17702, 27722, 30793, 35404, 55444, 61586, 61957, 97027, 123172, 123914, 194054, 247828, 388108, 734633, 1469266, 2938532, 5142431, 10284862, 20569724]

約数ペア:

[(1, 20569724), (2, 10284862), (4, 5142431), (7, 2938532), (14, 1469266), (28, 734633), (53, 388108), (83, 247828), (106, 194054), (166, 123914), (167, 123172), (212, 97027), (332, 61957), (334, 61586), (371, 55444), (581, 35404), (668, 30793), (742, 27722), (1162, 17702), (1169, 17596), (1484, 13861), (2324, 8851), (2338, 8798), (4399, 4676)]