17253620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 37911888

約数和(自身を除く): 20658268

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 106, 164, 205, 212, 265, 397, 410, 530, 794, 820, 1060, 1588, 1985, 2173, 3970, 4346, 7940, 8692, 10865, 16277, 21041, 21730, 32554, 42082, 43460, 65108, 81385, 84164, 105205, 162770, 210410, 325540, 420820, 862681, 1725362, 3450724, 4313405, 8626810, 17253620]

約数ペア:

[(1, 17253620), (2, 8626810), (4, 4313405), (5, 3450724), (10, 1725362), (20, 862681), (41, 420820), (53, 325540), (82, 210410), (106, 162770), (164, 105205), (205, 84164), (212, 81385), (265, 65108), (397, 43460), (410, 42082), (530, 32554), (794, 21730), (820, 21041), (1060, 16277), (1588, 10865), (1985, 8692), (2173, 7940), (3970, 4346)]