20199498025

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{23099}}^1$

素因数の和:23398

約数の個数: 48

約数和(自身を含む): 30248064000

約数和(自身を除く): 10048565975

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 263, 475, 665, 1315, 1841, 3325, 4997, 6575, 9205, 23099, 24985, 34979, 46025, 115495, 124925, 161693, 174895, 438881, 577475, 808465, 874475, 2194405, 3072167, 4042325, 6075037, 10972025, 15360835, 30375185, 42525259, 76804175, 115425703, 151875925, 212626295, 577128515, 807979921, 1063131475, 2885642575, 4039899605, 20199498025]

約数ペア:

[(1, 20199498025), (5, 4039899605), (7, 2885642575), (19, 1063131475), (25, 807979921), (35, 577128515), (95, 212626295), (133, 151875925), (175, 115425703), (263, 76804175), (475, 42525259), (665, 30375185), (1315, 15360835), (1841, 10972025), (3325, 6075037), (4997, 4042325), (6575, 3072167), (9205, 2194405), (23099, 874475), (24985, 808465), (34979, 577475), (46025, 438881), (115495, 174895), (124925, 161693)]