20194288491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{51713}}^1$

素因数の和:51796

約数の個数: 64

約数和(自身を含む): 33361735680

約数和(自身を除く): 13167447189

約数列:

[1, 3, 13, 17, 19, 31, 39, 51, 57, 93, 221, 247, 323, 403, 527, 589, 663, 741, 969, 1209, 1581, 1767, 4199, 6851, 7657, 10013, 12597, 20553, 22971, 30039, 51713, 130169, 155139, 390507, 672269, 879121, 982547, 1603103, 2016807, 2637363, 2947641, 4809309, 11428573, 12773111, 16703299, 20840339, 27252751, 30458957, 34285719, 38319333, 50109897, 62521017, 81758253, 91376871, 217142887, 354285763, 395966441, 517802269, 651428661, 1062857289, 1187899323, 1553406807, 6731429497, 20194288491]

約数ペア:

[(1, 20194288491), (3, 6731429497), (13, 1553406807), (17, 1187899323), (19, 1062857289), (31, 651428661), (39, 517802269), (51, 395966441), (57, 354285763), (93, 217142887), (221, 91376871), (247, 81758253), (323, 62521017), (403, 50109897), (527, 38319333), (589, 34285719), (663, 30458957), (741, 27252751), (969, 20840339), (1209, 16703299), (1581, 12773111), (1767, 11428573), (4199, 4809309), (6851, 2947641), (7657, 2637363), (10013, 2016807), (12597, 1603103), (20553, 982547), (22971, 879121), (30039, 672269), (51713, 390507), (130169, 155139)]