20063552180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{557}}^1\times {\mathrm{563}}^1$

素因数の和:1593

約数の個数: 96

約数和(自身を含む): 48430400256

約数和(自身を除く): 28366848076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 557, 563, 914, 1114, 1126, 1828, 2228, 2252, 2285, 2785, 2815, 3199, 3899, 3941, 4570, 5570, 5630, 6398, 7798, 7882, 9140, 11140, 11260, 12796, 15596, 15764, 15995, 19495, 19705, 31990, 38990, 39410, 63980, 77980, 78820, 254549, 257291, 313591, 509098, 514582, 627182, 1018196, 1029164, 1254364, 1272745, 1286455, 1567955, 1781843, 1801037, 2195137, 2545490, 2572910, 3135910, 3563686, 3602074, 4390274, 5090980, 5145820, 6271820, 7127372, 7204148, 8780548, 8909215, 9005185, 10975685, 17818430, 18010370, 21951370, 35636860, 36020740, 43902740, 143311087, 286622174, 573244348, 716555435, 1003177609, 1433110870, 2006355218, 2866221740, 4012710436, 5015888045, 10031776090, 20063552180]

約数ペア:

[(1, 20063552180), (2, 10031776090), (4, 5015888045), (5, 4012710436), (7, 2866221740), (10, 2006355218), (14, 1433110870), (20, 1003177609), (28, 716555435), (35, 573244348), (70, 286622174), (140, 143311087), (457, 43902740), (557, 36020740), (563, 35636860), (914, 21951370), (1114, 18010370), (1126, 17818430), (1828, 10975685), (2228, 9005185), (2252, 8909215), (2285, 8780548), (2785, 7204148), (2815, 7127372), (3199, 6271820), (3899, 5145820), (3941, 5090980), (4570, 4390274), (5570, 3602074), (5630, 3563686), (6398, 3135910), (7798, 2572910), (7882, 2545490), (9140, 2195137), (11140, 1801037), (11260, 1781843), (12796, 1567955), (15596, 1286455), (15764, 1272745), (15995, 1254364), (19495, 1029164), (19705, 1018196), (31990, 627182), (38990, 514582), (39410, 509098), (63980, 313591), (77980, 257291), (78820, 254549)]