20725531036

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{90191}}^1$

素因数の和:90514

約数の個数: 48

約数和(自身を含む): 43032407040

約数和(自身を除く): 22306876004

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 283, 406, 566, 812, 1132, 1981, 3962, 7924, 8207, 16414, 32828, 57449, 90191, 114898, 180382, 229796, 360764, 631337, 1262674, 2525348, 2615539, 5231078, 10462156, 18308773, 25524053, 36617546, 51048106, 73235092, 102096212, 178668371, 357336742, 714673484, 740197537, 1480395074, 2960790148, 5181382759, 10362765518, 20725531036]

約数ペア:

[(1, 20725531036), (2, 10362765518), (4, 5181382759), (7, 2960790148), (14, 1480395074), (28, 740197537), (29, 714673484), (58, 357336742), (116, 178668371), (203, 102096212), (283, 73235092), (406, 51048106), (566, 36617546), (812, 25524053), (1132, 18308773), (1981, 10462156), (3962, 5231078), (7924, 2615539), (8207, 2525348), (16414, 1262674), (32828, 631337), (57449, 360764), (90191, 229796), (114898, 180382)]