20668184548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1\times {\mathrm{8849}}^1$

素因数の和:9460

約数の個数: 48

約数和(自身を含む): 39905712000

約数和(自身を除く): 19237527452

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 487, 974, 1199, 1948, 2398, 4796, 5357, 8849, 10714, 17698, 21428, 35396, 53083, 97339, 106166, 194678, 212332, 389356, 583913, 964541, 1167826, 1929082, 2335652, 3858164, 4309463, 8618926, 10609951, 17237852, 21219902, 42439804, 47404093, 94808186, 189616372, 469731467, 939462934, 1878925868, 5167046137, 10334092274, 20668184548]

約数ペア:

[(1, 20668184548), (2, 10334092274), (4, 5167046137), (11, 1878925868), (22, 939462934), (44, 469731467), (109, 189616372), (218, 94808186), (436, 47404093), (487, 42439804), (974, 21219902), (1199, 17237852), (1948, 10609951), (2398, 8618926), (4796, 4309463), (5357, 3858164), (8849, 2335652), (10714, 1929082), (17698, 1167826), (21428, 964541), (35396, 583913), (53083, 389356), (97339, 212332), (106166, 194678)]