20612272

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1433}}^1$

素因数の和:1501

約数の個数: 40

約数和(自身を含む): 42675840

約数和(自身を除く): 22063568

約数列:

[1, 2, 4, 8, 16, 29, 31, 58, 62, 116, 124, 232, 248, 464, 496, 899, 1433, 1798, 2866, 3596, 5732, 7192, 11464, 14384, 22928, 41557, 44423, 83114, 88846, 166228, 177692, 332456, 355384, 664912, 710768, 1288267, 2576534, 5153068, 10306136, 20612272]

約数ペア:

[(1, 20612272), (2, 10306136), (4, 5153068), (8, 2576534), (16, 1288267), (29, 710768), (31, 664912), (58, 355384), (62, 332456), (116, 177692), (124, 166228), (232, 88846), (248, 83114), (464, 44423), (496, 41557), (899, 22928), (1433, 14384), (1798, 11464), (2866, 7192), (3596, 5732)]