20347305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 35831808

約数和(自身を除く): 15484503

約数列:

[1, 3, 5, 11, 15, 33, 55, 127, 165, 381, 635, 971, 1397, 1905, 2913, 4191, 4855, 6985, 10681, 14565, 20955, 32043, 53405, 123317, 160215, 369951, 616585, 1356487, 1849755, 4069461, 6782435, 20347305]

約数ペア:

[(1, 20347305), (3, 6782435), (5, 4069461), (11, 1849755), (15, 1356487), (33, 616585), (55, 369951), (127, 160215), (165, 123317), (381, 53405), (635, 32043), (971, 20955), (1397, 14565), (1905, 10681), (2913, 6985), (4191, 4855)]