20346688185

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{953}}^1$

素因数の和:1502

約数の個数: 64

約数和(自身を含む): 33849446400

約数和(自身を除く): 13502758215

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 395, 419, 645, 953, 1185, 1257, 2095, 2859, 3397, 4765, 6285, 10191, 14295, 16985, 18017, 33101, 40979, 50955, 54051, 75287, 90085, 99303, 122937, 165505, 204895, 225861, 270255, 376435, 399307, 496515, 614685, 1129305, 1197921, 1423343, 1996535, 3237341, 4270029, 5989605, 7116715, 9712023, 16186705, 17170201, 21350145, 31545253, 48560115, 51510603, 85851005, 94635759, 157726265, 257553015, 473178795, 1356445879, 4069337637, 6782229395, 20346688185]

約数ペア:

[(1, 20346688185), (3, 6782229395), (5, 4069337637), (15, 1356445879), (43, 473178795), (79, 257553015), (129, 157726265), (215, 94635759), (237, 85851005), (395, 51510603), (419, 48560115), (645, 31545253), (953, 21350145), (1185, 17170201), (1257, 16186705), (2095, 9712023), (2859, 7116715), (3397, 5989605), (4765, 4270029), (6285, 3237341), (10191, 1996535), (14295, 1423343), (16985, 1197921), (18017, 1129305), (33101, 614685), (40979, 496515), (50955, 399307), (54051, 376435), (75287, 270255), (90085, 225861), (99303, 204895), (122937, 165505)]