20780051043

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1\times {\mathrm{5843}}^1$

素因数の和:7359

約数の個数: 32

約数和(自身を含む): 29868917760

約数和(自身を除く): 9088866717

約数列:

[1, 3, 19, 43, 57, 129, 817, 1451, 2451, 4353, 5843, 17529, 27569, 62393, 82707, 111017, 187179, 251249, 333051, 753747, 1185467, 3556401, 4773731, 8478193, 14321193, 25434579, 161085667, 364562299, 483257001, 1093686897, 6926683681, 20780051043]

約数ペア:

[(1, 20780051043), (3, 6926683681), (19, 1093686897), (43, 483257001), (57, 364562299), (129, 161085667), (817, 25434579), (1451, 14321193), (2451, 8478193), (4353, 4773731), (5843, 3556401), (17529, 1185467), (27569, 753747), (62393, 333051), (82707, 251249), (111017, 187179)]