20156379460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2447}}^1\times {\mathrm{3461}}^1$

素因数の和:5941

約数の個数: 96

約数和(自身を含む): 51256654848

約数和(自身を除く): 31100275388

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 2447, 3461, 4894, 6922, 9788, 12235, 13844, 17129, 17305, 24227, 24470, 34258, 34610, 41599, 48454, 48940, 58837, 68516, 69220, 83198, 85645, 96908, 117674, 121135, 166396, 171290, 207995, 235348, 242270, 291193, 294185, 342580, 411859, 415990, 484540, 582386, 588370, 823718, 831980, 1164772, 1176740, 1455965, 1647436, 2059295, 2911930, 4118590, 5823860, 8237180, 8469067, 16938134, 33876268, 42345335, 59283469, 84690670, 118566938, 143974139, 169381340, 237133876, 287948278, 296417345, 575896556, 592834690, 719870695, 1007818973, 1185669380, 1439741390, 2015637946, 2879482780, 4031275892, 5039094865, 10078189730, 20156379460]

約数ペア:

[(1, 20156379460), (2, 10078189730), (4, 5039094865), (5, 4031275892), (7, 2879482780), (10, 2015637946), (14, 1439741390), (17, 1185669380), (20, 1007818973), (28, 719870695), (34, 592834690), (35, 575896556), (68, 296417345), (70, 287948278), (85, 237133876), (119, 169381340), (140, 143974139), (170, 118566938), (238, 84690670), (340, 59283469), (476, 42345335), (595, 33876268), (1190, 16938134), (2380, 8469067), (2447, 8237180), (3461, 5823860), (4894, 4118590), (6922, 2911930), (9788, 2059295), (12235, 1647436), (13844, 1455965), (17129, 1176740), (17305, 1164772), (24227, 831980), (24470, 823718), (34258, 588370), (34610, 582386), (41599, 484540), (48454, 415990), (48940, 411859), (58837, 342580), (68516, 294185), (69220, 291193), (83198, 242270), (85645, 235348), (96908, 207995), (117674, 171290), (121135, 166396)]