20770293848

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{127877}}^1$

素因数の和:128219

約数の個数: 32

約数和(自身を含む): 39591028800

約数和(自身を除く): 18820734952

約数列:

[1, 2, 4, 8, 79, 158, 257, 316, 514, 632, 1028, 2056, 20303, 40606, 81212, 127877, 162424, 255754, 511508, 1023016, 10102283, 20204566, 32864389, 40409132, 65728778, 80818264, 131457556, 262915112, 2596286731, 5192573462, 10385146924, 20770293848]

約数ペア:

[(1, 20770293848), (2, 10385146924), (4, 5192573462), (8, 2596286731), (79, 262915112), (158, 131457556), (257, 80818264), (316, 65728778), (514, 40409132), (632, 32864389), (1028, 20204566), (2056, 10102283), (20303, 1023016), (40606, 511508), (81212, 255754), (127877, 162424)]