20376805965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{252079}}^1$

素因数の和:252421

約数の個数: 32

約数和(自身を含む): 34629742080

約数和(自身を除く): 14252936115

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 317, 951, 1585, 4755, 5389, 16167, 26945, 80835, 252079, 756237, 1260395, 3781185, 4285343, 12856029, 21426715, 64280145, 79909043, 239727129, 399545215, 1198635645, 1358453731, 4075361193, 6792268655, 20376805965]

約数ペア:

[(1, 20376805965), (3, 6792268655), (5, 4075361193), (15, 1358453731), (17, 1198635645), (51, 399545215), (85, 239727129), (255, 79909043), (317, 64280145), (951, 21426715), (1585, 12856029), (4755, 4285343), (5389, 3781185), (16167, 1260395), (26945, 756237), (80835, 252079)]