20196403647

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1613}}^1\times {\mathrm{4483}}^1$

素因数の和:6132

約数の個数: 48

約数和(自身を含む): 33001522560

約数和(自身を除く): 12805118913

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 1613, 2793, 4483, 4839, 11291, 13449, 30647, 31381, 33873, 79037, 85177, 91941, 94143, 214529, 219667, 237111, 255531, 596239, 643587, 659001, 1501703, 1788717, 4173673, 4505109, 7231079, 12521019, 21693237, 50617553, 137390501, 151852659, 354322871, 412171503, 961733507, 1062968613, 2885200521, 6732134549, 20196403647]

約数ペア:

[(1, 20196403647), (3, 6732134549), (7, 2885200521), (19, 1062968613), (21, 961733507), (49, 412171503), (57, 354322871), (133, 151852659), (147, 137390501), (399, 50617553), (931, 21693237), (1613, 12521019), (2793, 7231079), (4483, 4505109), (4839, 4173673), (11291, 1788717), (13449, 1501703), (30647, 659001), (31381, 643587), (33873, 596239), (79037, 255531), (85177, 237111), (91941, 219667), (94143, 214529)]