20161220776

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{10979}}^1$

素因数の和:11170

約数の個数: 64

約数和(自身を含む): 39701923200

約数和(自身を除く): 19540702424

約数列:

[1, 2, 4, 8, 53, 61, 71, 106, 122, 142, 212, 244, 284, 424, 488, 568, 3233, 3763, 4331, 6466, 7526, 8662, 10979, 12932, 15052, 17324, 21958, 25864, 30104, 34648, 43916, 87832, 229543, 459086, 581887, 669719, 779509, 918172, 1163774, 1339438, 1559018, 1836344, 2327548, 2678876, 3118036, 4655096, 5357752, 6236072, 35495107, 41313977, 47550049, 70990214, 82627954, 95100098, 141980428, 165255908, 190200196, 283960856, 330511816, 380400392, 2520152597, 5040305194, 10080610388, 20161220776]

約数ペア:

[(1, 20161220776), (2, 10080610388), (4, 5040305194), (8, 2520152597), (53, 380400392), (61, 330511816), (71, 283960856), (106, 190200196), (122, 165255908), (142, 141980428), (212, 95100098), (244, 82627954), (284, 70990214), (424, 47550049), (488, 41313977), (568, 35495107), (3233, 6236072), (3763, 5357752), (4331, 4655096), (6466, 3118036), (7526, 2678876), (8662, 2327548), (10979, 1836344), (12932, 1559018), (15052, 1339438), (17324, 1163774), (21958, 918172), (25864, 779509), (30104, 669719), (34648, 581887), (43916, 459086), (87832, 229543)]