20175892216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1\times {\mathrm{1583}}^1$

素因数の和:2860

約数の個数: 64

約数和(自身を含む): 40441420800

約数和(自身を除く): 20265528584

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1181, 1349, 1583, 2362, 2698, 3166, 4724, 5396, 6332, 9448, 10792, 12664, 22439, 30077, 44878, 60154, 83851, 89756, 112393, 120308, 167702, 179512, 224786, 240616, 335404, 449572, 670808, 899144, 1593169, 1869523, 2135467, 3186338, 3739046, 4270934, 6372676, 7478092, 8541868, 12745352, 14956184, 17083736, 35520937, 71041874, 132736133, 142083748, 265472266, 284167496, 530944532, 1061889064, 2521986527, 5043973054, 10087946108, 20175892216]

約数ペア:

[(1, 20175892216), (2, 10087946108), (4, 5043973054), (8, 2521986527), (19, 1061889064), (38, 530944532), (71, 284167496), (76, 265472266), (142, 142083748), (152, 132736133), (284, 71041874), (568, 35520937), (1181, 17083736), (1349, 14956184), (1583, 12745352), (2362, 8541868), (2698, 7478092), (3166, 6372676), (4724, 4270934), (5396, 3739046), (6332, 3186338), (9448, 2135467), (10792, 1869523), (12664, 1593169), (22439, 899144), (30077, 670808), (44878, 449572), (60154, 335404), (83851, 240616), (89756, 224786), (112393, 179512), (120308, 167702)]