20604714

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 27658326

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 41, 51, 78, 82, 102, 123, 221, 246, 379, 442, 533, 663, 697, 758, 1066, 1137, 1326, 1394, 1599, 2091, 2274, 3198, 4182, 4927, 6443, 9061, 9854, 12886, 14781, 15539, 18122, 19329, 27183, 29562, 31078, 38658, 46617, 54366, 83759, 93234, 167518, 202007, 251277, 264163, 404014, 502554, 528326, 606021, 792489, 1212042, 1584978, 3434119, 6868238, 10302357, 20604714]

約数ペア:

[(1, 20604714), (2, 10302357), (3, 6868238), (6, 3434119), (13, 1584978), (17, 1212042), (26, 792489), (34, 606021), (39, 528326), (41, 502554), (51, 404014), (78, 264163), (82, 251277), (102, 202007), (123, 167518), (221, 93234), (246, 83759), (379, 54366), (442, 46617), (533, 38658), (663, 31078), (697, 29562), (758, 27183), (1066, 19329), (1137, 18122), (1326, 15539), (1394, 14781), (1599, 12886), (2091, 9854), (2274, 9061), (3198, 6443), (4182, 4927)]