20156780917

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{727}}^1\times {\mathrm{1019}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 26090588160

約数和(自身を除く): 5933807243

約数列:

[1, 7, 13, 23, 91, 161, 169, 299, 727, 1019, 1183, 2093, 3887, 5089, 7133, 9451, 13247, 16721, 23437, 27209, 66157, 92729, 117047, 122863, 164059, 172211, 217373, 304681, 740813, 860041, 1205477, 1521611, 2132767, 2825849, 3960853, 5185691, 9630569, 17038699, 19780943, 27725971, 67413983, 119270893, 125197397, 221503087, 876381779, 1550521609, 2879540131, 20156780917]

約数ペア:

[(1, 20156780917), (7, 2879540131), (13, 1550521609), (23, 876381779), (91, 221503087), (161, 125197397), (169, 119270893), (299, 67413983), (727, 27725971), (1019, 19780943), (1183, 17038699), (2093, 9630569), (3887, 5185691), (5089, 3960853), (7133, 2825849), (9451, 2132767), (13247, 1521611), (16721, 1205477), (23437, 860041), (27209, 740813), (66157, 304681), (92729, 217373), (117047, 172211), (122863, 164059)]