20694435454

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{39769}}^1$

素因数の和:39929

約数の個数: 64

約数和(自身を含む): 40317235200

約数和(自身を除く): 19622799746

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 109, 154, 217, 218, 341, 434, 682, 763, 1199, 1526, 2387, 2398, 3379, 4774, 6758, 8393, 16786, 23653, 37169, 39769, 47306, 74338, 79538, 260183, 278383, 437459, 520366, 556766, 874918, 1232839, 2465678, 3062213, 4334821, 6124426, 8629873, 8669642, 13561229, 17259746, 27122458, 30343747, 47683031, 60687494, 94928603, 95366062, 134379451, 189857206, 268758902, 333781217, 667562434, 940656157, 1478173961, 1881312314, 2956347922, 10347217727, 20694435454]

約数ペア:

[(1, 20694435454), (2, 10347217727), (7, 2956347922), (11, 1881312314), (14, 1478173961), (22, 940656157), (31, 667562434), (62, 333781217), (77, 268758902), (109, 189857206), (154, 134379451), (217, 95366062), (218, 94928603), (341, 60687494), (434, 47683031), (682, 30343747), (763, 27122458), (1199, 17259746), (1526, 13561229), (2387, 8669642), (2398, 8629873), (3379, 6124426), (4774, 4334821), (6758, 3062213), (8393, 2465678), (16786, 1232839), (23653, 874918), (37169, 556766), (39769, 520366), (47306, 437459), (74338, 278383), (79538, 260183)]