20121741388

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{619}}^1\times {\mathrm{10651}}^1$

素因数の和:11390

約数の個数: 48

約数和(自身を含む): 40682118400

約数和(自身を除く): 20560377012

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 619, 763, 1238, 1526, 2476, 3052, 4333, 8666, 10651, 17332, 21302, 42604, 67471, 74557, 134942, 149114, 269884, 298228, 472297, 944594, 1160959, 1889188, 2321918, 4643836, 6592969, 8126713, 13185938, 16253426, 26371876, 32506852, 46150783, 92301566, 184603132, 718633621, 1437267242, 2874534484, 5030435347, 10060870694, 20121741388]

約数ペア:

[(1, 20121741388), (2, 10060870694), (4, 5030435347), (7, 2874534484), (14, 1437267242), (28, 718633621), (109, 184603132), (218, 92301566), (436, 46150783), (619, 32506852), (763, 26371876), (1238, 16253426), (1526, 13185938), (2476, 8126713), (3052, 6592969), (4333, 4643836), (8666, 2321918), (10651, 1889188), (17332, 1160959), (21302, 944594), (42604, 472297), (67471, 298228), (74557, 269884), (134942, 149114)]