20145928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12049}}^1$

素因数の和:12085

約数の個数: 32

約数和(自身を含む): 43380000

約数和(自身を除く): 23234072

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12049, 24098, 48196, 96392, 132539, 228931, 265078, 457862, 530156, 915724, 1060312, 1831448, 2518241, 5036482, 10072964, 20145928]

約数ペア:

[(1, 20145928), (2, 10072964), (4, 5036482), (8, 2518241), (11, 1831448), (19, 1060312), (22, 915724), (38, 530156), (44, 457862), (76, 265078), (88, 228931), (152, 132539), (209, 96392), (418, 48196), (836, 24098), (1672, 12049)]