20653280212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1\times {\mathrm{14159}}^1$

素因数の和:15328

約数の個数: 48

約数和(自身を含む): 40322016000

約数和(自身を除く): 19668735788

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1129, 1292, 2258, 4516, 14159, 19193, 21451, 28318, 38386, 42902, 56636, 76772, 85804, 240703, 269021, 364667, 481406, 538042, 729334, 962812, 1076084, 1458668, 4573357, 9146714, 15985511, 18293428, 31971022, 63942044, 271753687, 303724709, 543507374, 607449418, 1087014748, 1214898836, 5163320053, 10326640106, 20653280212]

約数ペア:

[(1, 20653280212), (2, 10326640106), (4, 5163320053), (17, 1214898836), (19, 1087014748), (34, 607449418), (38, 543507374), (68, 303724709), (76, 271753687), (323, 63942044), (646, 31971022), (1129, 18293428), (1292, 15985511), (2258, 9146714), (4516, 4573357), (14159, 1458668), (19193, 1076084), (21451, 962812), (28318, 729334), (38386, 538042), (42902, 481406), (56636, 364667), (76772, 269021), (85804, 240703)]