20592820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 45722880

約数和(自身を除く): 25130060

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 178, 230, 356, 445, 460, 503, 890, 1006, 1780, 2012, 2047, 2515, 4094, 5030, 8188, 10060, 10235, 11569, 20470, 23138, 40940, 44767, 46276, 57845, 89534, 115690, 179068, 223835, 231380, 447670, 895340, 1029641, 2059282, 4118564, 5148205, 10296410, 20592820]

約数ペア:

[(1, 20592820), (2, 10296410), (4, 5148205), (5, 4118564), (10, 2059282), (20, 1029641), (23, 895340), (46, 447670), (89, 231380), (92, 223835), (115, 179068), (178, 115690), (230, 89534), (356, 57845), (445, 46276), (460, 44767), (503, 40940), (890, 23138), (1006, 20470), (1780, 11569), (2012, 10235), (2047, 10060), (2515, 8188), (4094, 5030)]