20515694979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{68917}}^1$

素因数の和:69399

約数の個数: 32

約数和(自身を含む): 31261204800

約数和(自身を除く): 10745509821

約数列:

[1, 3, 13, 17, 39, 51, 221, 449, 663, 1347, 5837, 7633, 17511, 22899, 68917, 99229, 206751, 297687, 895921, 1171589, 2687763, 3514767, 15230657, 30943733, 45691971, 92831199, 402268529, 526043461, 1206805587, 1578130383, 6838564993, 20515694979]

約数ペア:

[(1, 20515694979), (3, 6838564993), (13, 1578130383), (17, 1206805587), (39, 526043461), (51, 402268529), (221, 92831199), (449, 45691971), (663, 30943733), (1347, 15230657), (5837, 3514767), (7633, 2687763), (17511, 1171589), (22899, 895921), (68917, 297687), (99229, 206751)]