20201791792

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13874857}}^1$

素因数の和:13874885

約数の個数: 40

約数和(自身を含む): 48173506976

約数和(自身を除く): 27971715184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13874857, 27749714, 55499428, 97123999, 110998856, 180373141, 194247998, 221997712, 360746282, 388495996, 721492564, 776991992, 1262611987, 1442985128, 1553983984, 2525223974, 2885970256, 5050447948, 10100895896, 20201791792]

約数ペア:

[(1, 20201791792), (2, 10100895896), (4, 5050447948), (7, 2885970256), (8, 2525223974), (13, 1553983984), (14, 1442985128), (16, 1262611987), (26, 776991992), (28, 721492564), (52, 388495996), (56, 360746282), (91, 221997712), (104, 194247998), (112, 180373141), (182, 110998856), (208, 97123999), (364, 55499428), (728, 27749714), (1456, 13874857)]