20795887308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{821}}^1\times {\mathrm{1997}}^1$

素因数の和:2983

約数の個数: 96

約数和(自身を含む): 55918937088

約数和(自身を除く): 35123049780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 151, 302, 453, 604, 821, 906, 1057, 1642, 1812, 1997, 2114, 2463, 3171, 3284, 3994, 4228, 4926, 5747, 5991, 6342, 7988, 9852, 11494, 11982, 12684, 13979, 17241, 22988, 23964, 27958, 34482, 41937, 55916, 68964, 83874, 123971, 167748, 247942, 301547, 371913, 495884, 603094, 743826, 867797, 904641, 1206188, 1487652, 1639537, 1735594, 1809282, 2110829, 2603391, 3279074, 3471188, 3618564, 4221658, 4918611, 5206782, 6332487, 6558148, 8443316, 9837222, 10413564, 11476759, 12664974, 19674444, 22953518, 25329948, 34430277, 45907036, 68860554, 137721108, 247570087, 495140174, 742710261, 990280348, 1485420522, 1732990609, 2970841044, 3465981218, 5198971827, 6931962436, 10397943654, 20795887308]

約数ペア:

[(1, 20795887308), (2, 10397943654), (3, 6931962436), (4, 5198971827), (6, 3465981218), (7, 2970841044), (12, 1732990609), (14, 1485420522), (21, 990280348), (28, 742710261), (42, 495140174), (84, 247570087), (151, 137721108), (302, 68860554), (453, 45907036), (604, 34430277), (821, 25329948), (906, 22953518), (1057, 19674444), (1642, 12664974), (1812, 11476759), (1997, 10413564), (2114, 9837222), (2463, 8443316), (3171, 6558148), (3284, 6332487), (3994, 5206782), (4228, 4918611), (4926, 4221658), (5747, 3618564), (5991, 3471188), (6342, 3279074), (7988, 2603391), (9852, 2110829), (11494, 1809282), (11982, 1735594), (12684, 1639537), (13979, 1487652), (17241, 1206188), (22988, 904641), (23964, 867797), (27958, 743826), (34482, 603094), (41937, 495884), (55916, 371913), (68964, 301547), (83874, 247942), (123971, 167748)]