20040885

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5119}}^1$

素因数の和:5162

約数の個数: 32

約数和(自身を含む): 36864000

約数和(自身を除く): 16823115

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5119, 15357, 25595, 46071, 76785, 138213, 148451, 230355, 445353, 691065, 742255, 1336059, 2226765, 4008177, 6680295, 20040885]

約数ペア:

[(1, 20040885), (3, 6680295), (5, 4008177), (9, 2226765), (15, 1336059), (27, 742255), (29, 691065), (45, 445353), (87, 230355), (135, 148451), (145, 138213), (261, 76785), (435, 46071), (783, 25595), (1305, 15357), (3915, 5119)]