20101481428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{18433}}^1$

素因数の和:18569

約数の個数: 96

約数和(自身を含む): 44595532800

約数和(自身を除く): 24494051372

約数列:

[1, 2, 4, 7, 14, 17, 28, 29, 34, 58, 68, 79, 116, 119, 158, 203, 238, 316, 406, 476, 493, 553, 812, 986, 1106, 1343, 1972, 2212, 2291, 2686, 3451, 4582, 5372, 6902, 9164, 9401, 13804, 16037, 18433, 18802, 32074, 36866, 37604, 38947, 64148, 73732, 77894, 129031, 155788, 258062, 272629, 313361, 516124, 534557, 545258, 626722, 1069114, 1090516, 1253444, 1456207, 2138228, 2193527, 2912414, 3741899, 4387054, 5824828, 7483798, 8774108, 9087469, 10193449, 14967596, 18174938, 20386898, 24755519, 36349876, 40773796, 42230003, 49511038, 63612283, 84460006, 99022076, 127224566, 168920012, 173288633, 254449132, 295610021, 346577266, 591220042, 693154532, 717910051, 1182440084, 1435820102, 2871640204, 5025370357, 10050740714, 20101481428]

約数ペア:

[(1, 20101481428), (2, 10050740714), (4, 5025370357), (7, 2871640204), (14, 1435820102), (17, 1182440084), (28, 717910051), (29, 693154532), (34, 591220042), (58, 346577266), (68, 295610021), (79, 254449132), (116, 173288633), (119, 168920012), (158, 127224566), (203, 99022076), (238, 84460006), (316, 63612283), (406, 49511038), (476, 42230003), (493, 40773796), (553, 36349876), (812, 24755519), (986, 20386898), (1106, 18174938), (1343, 14967596), (1972, 10193449), (2212, 9087469), (2291, 8774108), (2686, 7483798), (3451, 5824828), (4582, 4387054), (5372, 3741899), (6902, 2912414), (9164, 2193527), (9401, 2138228), (13804, 1456207), (16037, 1253444), (18433, 1090516), (18802, 1069114), (32074, 626722), (36866, 545258), (37604, 534557), (38947, 516124), (64148, 313361), (73732, 272629), (77894, 258062), (129031, 155788)]