20884039204

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{650269}}^1$

素因数の和:650348

約数の個数: 48

約数和(自身を含む): 44280785920

約数和(自身を除く): 23396746716

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 1036, 1147, 2294, 4588, 8029, 16058, 32116, 650269, 1300538, 2601076, 4551883, 9103766, 18207532, 20158339, 24059953, 40316678, 48119906, 80633356, 96239812, 141108373, 168419671, 282216746, 336839342, 564433492, 673678684, 745858543, 1491717086, 2983434172, 5221009801, 10442019602, 20884039204]

約数ペア:

[(1, 20884039204), (2, 10442019602), (4, 5221009801), (7, 2983434172), (14, 1491717086), (28, 745858543), (31, 673678684), (37, 564433492), (62, 336839342), (74, 282216746), (124, 168419671), (148, 141108373), (217, 96239812), (259, 80633356), (434, 48119906), (518, 40316678), (868, 24059953), (1036, 20158339), (1147, 18207532), (2294, 9103766), (4588, 4551883), (8029, 2601076), (16058, 1300538), (32116, 650269)]