20253783

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 31656960

約数和(自身を除く): 11403177

約数列:

[1, 3, 11, 17, 33, 51, 79, 187, 237, 457, 561, 869, 1343, 1371, 2607, 4029, 5027, 7769, 14773, 15081, 23307, 36103, 44319, 85459, 108309, 256377, 397133, 613751, 1191399, 1841253, 6751261, 20253783]

約数ペア:

[(1, 20253783), (3, 6751261), (11, 1841253), (17, 1191399), (33, 613751), (51, 397133), (79, 256377), (187, 108309), (237, 85459), (457, 44319), (561, 36103), (869, 23307), (1343, 15081), (1371, 14773), (2607, 7769), (4029, 5027)]