20178836860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{80929}}^1$

素因数の和:81095

約数の個数: 96

約数和(自身を含む): 52535871360

約数和(自身を除く): 32357034500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 137, 140, 182, 260, 274, 364, 455, 548, 685, 910, 959, 1370, 1781, 1820, 1918, 2740, 3562, 3836, 4795, 7124, 8905, 9590, 12467, 17810, 19180, 24934, 35620, 49868, 62335, 80929, 124670, 161858, 249340, 323716, 404645, 566503, 809290, 1052077, 1133006, 1618580, 2104154, 2266012, 2832515, 4208308, 5260385, 5665030, 7364539, 10520770, 11087273, 11330060, 14729078, 21041540, 22174546, 29458156, 36822695, 44349092, 55436365, 73645390, 77610911, 110872730, 144134549, 147290780, 155221822, 221745460, 288269098, 310443644, 388054555, 576538196, 720672745, 776109110, 1008941843, 1441345490, 1552218220, 2017883686, 2882690980, 4035767372, 5044709215, 10089418430, 20178836860]

約数ペア:

[(1, 20178836860), (2, 10089418430), (4, 5044709215), (5, 4035767372), (7, 2882690980), (10, 2017883686), (13, 1552218220), (14, 1441345490), (20, 1008941843), (26, 776109110), (28, 720672745), (35, 576538196), (52, 388054555), (65, 310443644), (70, 288269098), (91, 221745460), (130, 155221822), (137, 147290780), (140, 144134549), (182, 110872730), (260, 77610911), (274, 73645390), (364, 55436365), (455, 44349092), (548, 36822695), (685, 29458156), (910, 22174546), (959, 21041540), (1370, 14729078), (1781, 11330060), (1820, 11087273), (1918, 10520770), (2740, 7364539), (3562, 5665030), (3836, 5260385), (4795, 4208308), (7124, 2832515), (8905, 2266012), (9590, 2104154), (12467, 1618580), (17810, 1133006), (19180, 1052077), (24934, 809290), (35620, 566503), (49868, 404645), (62335, 323716), (80929, 249340), (124670, 161858)]