20097812

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 22359148

約数列:

[1, 2, 4, 7, 14, 28, 29, 53, 58, 106, 116, 203, 212, 371, 406, 467, 742, 812, 934, 1484, 1537, 1868, 3074, 3269, 6148, 6538, 10759, 13076, 13543, 21518, 24751, 27086, 43036, 49502, 54172, 94801, 99004, 173257, 189602, 346514, 379204, 693028, 717779, 1435558, 2871116, 5024453, 10048906, 20097812]

約数ペア:

[(1, 20097812), (2, 10048906), (4, 5024453), (7, 2871116), (14, 1435558), (28, 717779), (29, 693028), (53, 379204), (58, 346514), (106, 189602), (116, 173257), (203, 99004), (212, 94801), (371, 54172), (406, 49502), (467, 43036), (742, 27086), (812, 24751), (934, 21518), (1484, 13543), (1537, 13076), (1868, 10759), (3074, 6538), (3269, 6148)]