20807834874

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1\times {\mathrm{347}}^1\times {\mathrm{701}}^1$

素因数の和:1375

約数の個数: 64

約数和(自身を含む): 42742028160

約数和(自身を除く): 21934193286

約数列:

[1, 2, 3, 6, 53, 106, 159, 269, 318, 347, 538, 694, 701, 807, 1041, 1402, 1614, 2082, 2103, 4206, 14257, 18391, 28514, 36782, 37153, 42771, 55173, 74306, 85542, 93343, 110346, 111459, 186686, 188569, 222918, 243247, 280029, 377138, 486494, 560058, 565707, 729741, 1131414, 1459482, 4947179, 9894358, 9994157, 12892091, 14841537, 19988314, 25784182, 29683074, 29982471, 38676273, 59964942, 65433443, 77352546, 130866886, 196300329, 392600658, 3467972479, 6935944958, 10403917437, 20807834874]

約数ペア:

[(1, 20807834874), (2, 10403917437), (3, 6935944958), (6, 3467972479), (53, 392600658), (106, 196300329), (159, 130866886), (269, 77352546), (318, 65433443), (347, 59964942), (538, 38676273), (694, 29982471), (701, 29683074), (807, 25784182), (1041, 19988314), (1402, 14841537), (1614, 12892091), (2082, 9994157), (2103, 9894358), (4206, 4947179), (14257, 1459482), (18391, 1131414), (28514, 729741), (36782, 565707), (37153, 560058), (42771, 486494), (55173, 377138), (74306, 280029), (85542, 243247), (93343, 222918), (110346, 188569), (111459, 186686)]