20040098

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 14433502

約数列:

[1, 2, 13, 19, 26, 38, 113, 226, 247, 359, 494, 718, 1469, 2147, 2938, 4294, 4667, 6821, 9334, 13642, 27911, 40567, 55822, 81134, 88673, 177346, 527371, 770773, 1054742, 1541546, 10020049, 20040098]

約数ペア:

[(1, 20040098), (2, 10020049), (13, 1541546), (19, 1054742), (26, 770773), (38, 527371), (113, 177346), (226, 88673), (247, 81134), (359, 55822), (494, 40567), (718, 27911), (1469, 13642), (2147, 9334), (2938, 6821), (4294, 4667)]