20191522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{173}}^1$

素因数の和:322

約数の個数: 24

約数和(自身を含む): 33302556

約数和(自身を除く): 13111034

約数列:

[1, 2, 13, 26, 67, 134, 173, 346, 871, 1742, 2249, 4489, 4498, 8978, 11591, 23182, 58357, 116714, 150683, 301366, 776597, 1553194, 10095761, 20191522]

約数ペア:

[(1, 20191522), (2, 10095761), (13, 1553194), (26, 776597), (67, 301366), (134, 150683), (173, 116714), (346, 58357), (871, 23182), (1742, 11591), (2249, 8978), (4489, 4498)]