20169910025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{1087}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 26302983168

約数和(自身を除く): 6133073143

約数列:

[1, 5, 25, 41, 43, 205, 215, 421, 1025, 1075, 1087, 1763, 2105, 5435, 8815, 10525, 17261, 18103, 27175, 44075, 44567, 46741, 86305, 90515, 222835, 233705, 431525, 452575, 457627, 742223, 1114175, 1168525, 1916381, 2288135, 3711115, 9581905, 11440675, 18555575, 18762707, 19677961, 47909525, 93813535, 98389805, 469067675, 491949025, 806796401, 4033982005, 20169910025]

約数ペア:

[(1, 20169910025), (5, 4033982005), (25, 806796401), (41, 491949025), (43, 469067675), (205, 98389805), (215, 93813535), (421, 47909525), (1025, 19677961), (1075, 18762707), (1087, 18555575), (1763, 11440675), (2105, 9581905), (5435, 3711115), (8815, 2288135), (10525, 1916381), (17261, 1168525), (18103, 1114175), (27175, 742223), (44075, 457627), (44567, 452575), (46741, 431525), (86305, 233705), (90515, 222835)]