20807086420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4019}}^1\times {\mathrm{15227}}^1$

素因数の和:19272

約数の個数: 48

約数和(自身を含む): 46279719360

約数和(自身を除く): 25472632940

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 4019, 8038, 15227, 16076, 20095, 30454, 40190, 60908, 68323, 76135, 80380, 136646, 152270, 258859, 273292, 304540, 341615, 517718, 683230, 1035436, 1294295, 1366460, 2588590, 5177180, 61197313, 122394626, 244789252, 305986565, 611973130, 1040354321, 1223946260, 2080708642, 4161417284, 5201771605, 10403543210, 20807086420]

約数ペア:

[(1, 20807086420), (2, 10403543210), (4, 5201771605), (5, 4161417284), (10, 2080708642), (17, 1223946260), (20, 1040354321), (34, 611973130), (68, 305986565), (85, 244789252), (170, 122394626), (340, 61197313), (4019, 5177180), (8038, 2588590), (15227, 1366460), (16076, 1294295), (20095, 1035436), (30454, 683230), (40190, 517718), (60908, 341615), (68323, 304540), (76135, 273292), (80380, 258859), (136646, 152270)]