20219974803

素因数分解:

$3^2\times 7^2\times {\mathrm{379}}^1\times {\mathrm{120977}}^1$

素因数の和:121376

約数の個数: 36

約数和(自身を含む): 34064985240

約数和(自身を除く): 13845010437

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 379, 441, 1137, 2653, 3411, 7959, 18571, 23877, 55713, 120977, 167139, 362931, 846839, 1088793, 2540517, 5927873, 7621551, 17783619, 45850283, 53350857, 137550849, 320951981, 412652547, 962855943, 2246663867, 2888567829, 6739991601, 20219974803]

約数ペア:

[(1, 20219974803), (3, 6739991601), (7, 2888567829), (9, 2246663867), (21, 962855943), (49, 412652547), (63, 320951981), (147, 137550849), (379, 53350857), (441, 45850283), (1137, 17783619), (2653, 7621551), (3411, 5927873), (7959, 2540517), (18571, 1088793), (23877, 846839), (55713, 362931), (120977, 167139)]