20173381857

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{636967}}^1$

素因数の和:637019

約数の個数: 40

約数和(自身を含む): 33295591296

約数和(自身を除く): 13122209439

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 391, 459, 621, 1173, 1377, 1863, 3519, 10557, 31671, 636967, 1910901, 5732703, 10828439, 14650241, 17198109, 32485317, 43950723, 51594327, 97455951, 131852169, 249054097, 292367853, 395556507, 747162291, 877103559, 1186669521, 2241486873, 6724460619, 20173381857]

約数ペア:

[(1, 20173381857), (3, 6724460619), (9, 2241486873), (17, 1186669521), (23, 877103559), (27, 747162291), (51, 395556507), (69, 292367853), (81, 249054097), (153, 131852169), (207, 97455951), (391, 51594327), (459, 43950723), (621, 32485317), (1173, 17198109), (1377, 14650241), (1863, 10828439), (3519, 5732703), (10557, 1910901), (31671, 636967)]