20595568

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 50086080

約数和(自身を除く): 29490512

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 34, 56, 58, 68, 112, 116, 119, 136, 203, 232, 238, 272, 373, 406, 464, 476, 493, 746, 812, 952, 986, 1492, 1624, 1904, 1972, 2611, 2984, 3248, 3451, 3944, 5222, 5968, 6341, 6902, 7888, 10444, 10817, 12682, 13804, 20888, 21634, 25364, 27608, 41776, 43268, 44387, 50728, 55216, 75719, 86536, 88774, 101456, 151438, 173072, 177548, 183889, 302876, 355096, 367778, 605752, 710192, 735556, 1211504, 1287223, 1471112, 2574446, 2942224, 5148892, 10297784, 20595568]

約数ペア:

[(1, 20595568), (2, 10297784), (4, 5148892), (7, 2942224), (8, 2574446), (14, 1471112), (16, 1287223), (17, 1211504), (28, 735556), (29, 710192), (34, 605752), (56, 367778), (58, 355096), (68, 302876), (112, 183889), (116, 177548), (119, 173072), (136, 151438), (203, 101456), (232, 88774), (238, 86536), (272, 75719), (373, 55216), (406, 50728), (464, 44387), (476, 43268), (493, 41776), (746, 27608), (812, 25364), (952, 21634), (986, 20888), (1492, 13804), (1624, 12682), (1904, 10817), (1972, 10444), (2611, 7888), (2984, 6902), (3248, 6341), (3451, 5968), (3944, 5222)]