20078047642

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1\times {\mathrm{7877}}^1$

素因数の和:9186

約数の個数: 32

約数和(自身を含む): 32441919120

約数和(自身を除く): 12363871478

約数列:

[1, 2, 17, 34, 61, 122, 1037, 1229, 2074, 2458, 7877, 15754, 20893, 41786, 74969, 133909, 149938, 267818, 480497, 960994, 1274473, 2548946, 8168449, 9680833, 16336898, 19361666, 164574161, 329148322, 590530813, 1181061626, 10039023821, 20078047642]

約数ペア:

[(1, 20078047642), (2, 10039023821), (17, 1181061626), (34, 590530813), (61, 329148322), (122, 164574161), (1037, 19361666), (1229, 16336898), (2074, 9680833), (2458, 8168449), (7877, 2548946), (15754, 1274473), (20893, 960994), (41786, 480497), (74969, 267818), (133909, 149938)]