20201997328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74272049}}^1$

素因数の和:74272074

約数の個数: 20

約数和(自身を含む): 41443803900

約数和(自身を除く): 21241806572

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74272049, 148544098, 297088196, 594176392, 1188352784, 1262624833, 2525249666, 5050499332, 10100998664, 20201997328]

約数ペア:

[(1, 20201997328), (2, 10100998664), (4, 5050499332), (8, 2525249666), (16, 1262624833), (17, 1188352784), (34, 594176392), (68, 297088196), (136, 148544098), (272, 74272049)]