20866707532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{79531}}^1$

素因数の和:79702

約数の個数: 48

約数和(自身を含む): 40885810560

約数和(自身を除く): 20019103028

約数列:

[1, 2, 4, 11, 22, 44, 67, 89, 134, 178, 268, 356, 737, 979, 1474, 1958, 2948, 3916, 5963, 11926, 23852, 65593, 79531, 131186, 159062, 262372, 318124, 874841, 1749682, 3499364, 5328577, 7078259, 10657154, 14156518, 21314308, 28313036, 58614347, 77860849, 117228694, 155721698, 234457388, 311443396, 474243353, 948486706, 1896973412, 5216676883, 10433353766, 20866707532]

約数ペア:

[(1, 20866707532), (2, 10433353766), (4, 5216676883), (11, 1896973412), (22, 948486706), (44, 474243353), (67, 311443396), (89, 234457388), (134, 155721698), (178, 117228694), (268, 77860849), (356, 58614347), (737, 28313036), (979, 21314308), (1474, 14156518), (1958, 10657154), (2948, 7078259), (3916, 5328577), (5963, 3499364), (11926, 1749682), (23852, 874841), (65593, 318124), (79531, 262372), (131186, 159062)]