20732060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 45172512

約数和(自身を除く): 24440452

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 193, 205, 262, 386, 410, 524, 655, 772, 820, 965, 1310, 1930, 2620, 3860, 5371, 7913, 10742, 15826, 21484, 25283, 26855, 31652, 39565, 50566, 53710, 79130, 101132, 107420, 126415, 158260, 252830, 505660, 1036603, 2073206, 4146412, 5183015, 10366030, 20732060]

約数ペア:

[(1, 20732060), (2, 10366030), (4, 5183015), (5, 4146412), (10, 2073206), (20, 1036603), (41, 505660), (82, 252830), (131, 158260), (164, 126415), (193, 107420), (205, 101132), (262, 79130), (386, 53710), (410, 50566), (524, 39565), (655, 31652), (772, 26855), (820, 25283), (965, 21484), (1310, 15826), (1930, 10742), (2620, 7913), (3860, 5371)]