20512396801

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{379}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 23342074560

約数和(自身を除く): 2829677759

約数列:

[1, 13, 41, 73, 107, 169, 379, 533, 949, 1391, 2993, 4387, 4927, 6929, 7811, 12337, 15539, 18083, 27667, 38909, 40553, 57031, 64051, 101543, 202007, 320251, 359671, 505817, 527189, 741403, 1134347, 1320059, 1662673, 2626091, 2960369, 4163263, 4675723, 6853457, 14746511, 21614749, 38484797, 54122419, 121375129, 191704643, 280991737, 500302361, 1577876677, 20512396801]

約数ペア:

[(1, 20512396801), (13, 1577876677), (41, 500302361), (73, 280991737), (107, 191704643), (169, 121375129), (379, 54122419), (533, 38484797), (949, 21614749), (1391, 14746511), (2993, 6853457), (4387, 4675723), (4927, 4163263), (6929, 2960369), (7811, 2626091), (12337, 1662673), (15539, 1320059), (18083, 1134347), (27667, 741403), (38909, 527189), (40553, 505817), (57031, 359671), (64051, 320251), (101543, 202007)]