20194687905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{12611}}^1$

素因数の和:12878

約数の個数: 64

約数和(自身を含む): 37542998016

約数和(自身を除く): 17348310111

約数列:

[1, 3, 5, 7, 15, 21, 35, 101, 105, 151, 303, 453, 505, 707, 755, 1057, 1515, 2121, 2265, 3171, 3535, 5285, 10605, 12611, 15251, 15855, 37833, 45753, 63055, 76255, 88277, 106757, 189165, 228765, 264831, 320271, 441385, 533785, 1273711, 1324155, 1601355, 1904261, 3821133, 5712783, 6368555, 8915977, 9521305, 13329827, 19105665, 26747931, 28563915, 39989481, 44579885, 66649135, 133739655, 192330361, 199947405, 576991083, 961651805, 1346312527, 2884955415, 4038937581, 6731562635, 20194687905]

約数ペア:

[(1, 20194687905), (3, 6731562635), (5, 4038937581), (7, 2884955415), (15, 1346312527), (21, 961651805), (35, 576991083), (101, 199947405), (105, 192330361), (151, 133739655), (303, 66649135), (453, 44579885), (505, 39989481), (707, 28563915), (755, 26747931), (1057, 19105665), (1515, 13329827), (2121, 9521305), (2265, 8915977), (3171, 6368555), (3535, 5712783), (5285, 3821133), (10605, 1904261), (12611, 1601355), (15251, 1324155), (15855, 1273711), (37833, 533785), (45753, 441385), (63055, 320271), (76255, 264831), (88277, 228765), (106757, 189165)]