20216172999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{55697}}^1$

素因数の和:56375

約数の個数: 32

約数和(自身を含む): 31183750656

約数和(自身を除く): 10967577657

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 647, 1941, 7117, 10999, 21351, 32997, 55697, 120989, 167091, 362967, 612667, 946849, 1838001, 2840547, 10415339, 31246017, 36035959, 108107877, 396395549, 612611303, 1189186647, 1837833909, 6738724333, 20216172999]

約数ペア:

[(1, 20216172999), (3, 6738724333), (11, 1837833909), (17, 1189186647), (33, 612611303), (51, 396395549), (187, 108107877), (561, 36035959), (647, 31246017), (1941, 10415339), (7117, 2840547), (10999, 1838001), (21351, 946849), (32997, 612667), (55697, 362967), (120989, 167091)]