20176730980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3407}}^1\times {\mathrm{6043}}^1$

素因数の和:9473

約数の個数: 72

約数和(自身を含む): 49311497088

約数和(自身を除く): 29134766108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3407, 6043, 6814, 12086, 13628, 17035, 23849, 24172, 30215, 34070, 42301, 47698, 60430, 68140, 84602, 95396, 119245, 120860, 166943, 169204, 211505, 238490, 296107, 333886, 423010, 476980, 592214, 667772, 834715, 846020, 1184428, 1480535, 1669430, 2961070, 3338860, 5922140, 20588501, 41177002, 82354004, 102942505, 144119507, 205885010, 288239014, 411770020, 576478028, 720597535, 1008836549, 1441195070, 2017673098, 2882390140, 4035346196, 5044182745, 10088365490, 20176730980]

約数ペア:

[(1, 20176730980), (2, 10088365490), (4, 5044182745), (5, 4035346196), (7, 2882390140), (10, 2017673098), (14, 1441195070), (20, 1008836549), (28, 720597535), (35, 576478028), (49, 411770020), (70, 288239014), (98, 205885010), (140, 144119507), (196, 102942505), (245, 82354004), (490, 41177002), (980, 20588501), (3407, 5922140), (6043, 3338860), (6814, 2961070), (12086, 1669430), (13628, 1480535), (17035, 1184428), (23849, 846020), (24172, 834715), (30215, 667772), (34070, 592214), (42301, 476980), (47698, 423010), (60430, 333886), (68140, 296107), (84602, 238490), (95396, 211505), (119245, 169204), (120860, 166943)]