20156855745

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{16729}}^1$

素因数の和:16954

約数の個数: 64

約数和(自身を含む): 35886251520

約数和(自身を除く): 15729395775

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 167, 185, 195, 481, 501, 555, 835, 1443, 2171, 2405, 2505, 6179, 6513, 7215, 10855, 16729, 18537, 30895, 32565, 50187, 80327, 83645, 92685, 217477, 240981, 250935, 401635, 618973, 652431, 1087385, 1204905, 1856919, 2793743, 3094865, 3262155, 8046649, 8381229, 9284595, 13968715, 24139947, 36318659, 40233245, 41906145, 103368491, 108955977, 120699735, 181593295, 310105473, 516842455, 544779885, 1343790383, 1550527365, 4031371149, 6718951915, 20156855745]

約数ペア:

[(1, 20156855745), (3, 6718951915), (5, 4031371149), (13, 1550527365), (15, 1343790383), (37, 544779885), (39, 516842455), (65, 310105473), (111, 181593295), (167, 120699735), (185, 108955977), (195, 103368491), (481, 41906145), (501, 40233245), (555, 36318659), (835, 24139947), (1443, 13968715), (2171, 9284595), (2405, 8381229), (2505, 8046649), (6179, 3262155), (6513, 3094865), (7215, 2793743), (10855, 1856919), (16729, 1204905), (18537, 1087385), (30895, 652431), (32565, 618973), (50187, 401635), (80327, 250935), (83645, 240981), (92685, 217477)]