20020440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 67910400

約数和(自身を除く): 47889960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 29, 30, 33, 40, 44, 55, 58, 60, 66, 87, 88, 110, 116, 120, 132, 145, 165, 174, 220, 232, 264, 290, 319, 330, 348, 435, 440, 523, 580, 638, 660, 696, 870, 957, 1046, 1160, 1276, 1320, 1569, 1595, 1740, 1914, 2092, 2552, 2615, 3138, 3190, 3480, 3828, 4184, 4785, 5230, 5753, 6276, 6380, 7656, 7845, 9570, 10460, 11506, 12552, 12760, 15167, 15690, 17259, 19140, 20920, 23012, 28765, 30334, 31380, 34518, 38280, 45501, 46024, 57530, 60668, 62760, 69036, 75835, 86295, 91002, 115060, 121336, 138072, 151670, 166837, 172590, 182004, 227505, 230120, 303340, 333674, 345180, 364008, 455010, 500511, 606680, 667348, 690360, 834185, 910020, 1001022, 1334696, 1668370, 1820040, 2002044, 2502555, 3336740, 4004088, 5005110, 6673480, 10010220, 20020440]

約数ペア:

[(1, 20020440), (2, 10010220), (3, 6673480), (4, 5005110), (5, 4004088), (6, 3336740), (8, 2502555), (10, 2002044), (11, 1820040), (12, 1668370), (15, 1334696), (20, 1001022), (22, 910020), (24, 834185), (29, 690360), (30, 667348), (33, 606680), (40, 500511), (44, 455010), (55, 364008), (58, 345180), (60, 333674), (66, 303340), (87, 230120), (88, 227505), (110, 182004), (116, 172590), (120, 166837), (132, 151670), (145, 138072), (165, 121336), (174, 115060), (220, 91002), (232, 86295), (264, 75835), (290, 69036), (319, 62760), (330, 60668), (348, 57530), (435, 46024), (440, 45501), (523, 38280), (580, 34518), (638, 31380), (660, 30334), (696, 28765), (870, 23012), (957, 20920), (1046, 19140), (1160, 17259), (1276, 15690), (1320, 15167), (1569, 12760), (1595, 12552), (1740, 11506), (1914, 10460), (2092, 9570), (2552, 7845), (2615, 7656), (3138, 6380), (3190, 6276), (3480, 5753), (3828, 5230), (4184, 4785)]