20346069725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{2659}}^1$

素因数の和:2958

約数の個数: 48

約数和(自身を含む): 27013896000

約数和(自身を除く): 6667826275

約数列:

[1, 5, 19, 25, 89, 95, 181, 445, 475, 905, 1691, 2225, 2659, 3439, 4525, 8455, 13295, 16109, 17195, 42275, 50521, 66475, 80545, 85975, 236651, 252605, 306071, 402725, 481279, 1183255, 1263025, 1530355, 2406395, 4496369, 5916275, 7651775, 9144301, 12031975, 22481845, 42833831, 45721505, 112409225, 214169155, 228607525, 813842789, 1070845775, 4069213945, 20346069725]

約数ペア:

[(1, 20346069725), (5, 4069213945), (19, 1070845775), (25, 813842789), (89, 228607525), (95, 214169155), (181, 112409225), (445, 45721505), (475, 42833831), (905, 22481845), (1691, 12031975), (2225, 9144301), (2659, 7651775), (3439, 5916275), (4525, 4496369), (8455, 2406395), (13295, 1530355), (16109, 1263025), (17195, 1183255), (42275, 481279), (50521, 402725), (66475, 306071), (80545, 252605), (85975, 236651)]