20173890975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{6581}}^1\times {\mathrm{5839}}^1$

素因数の和:12440

約数の個数: 48

約数和(自身を含む): 38131368960

約数和(自身を除く): 17957477985

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 5839, 6581, 17517, 19743, 29195, 32905, 40873, 46067, 87585, 98715, 122619, 138201, 145975, 164525, 204365, 230335, 437925, 493575, 613095, 691005, 1021825, 1151675, 3065475, 3455025, 38426459, 115279377, 192132295, 268985213, 576396885, 806955639, 960661475, 1344926065, 2881984425, 4034778195, 6724630325, 20173890975]

約数ペア:

[(1, 20173890975), (3, 6724630325), (5, 4034778195), (7, 2881984425), (15, 1344926065), (21, 960661475), (25, 806955639), (35, 576396885), (75, 268985213), (105, 192132295), (175, 115279377), (525, 38426459), (5839, 3455025), (6581, 3065475), (17517, 1151675), (19743, 1021825), (29195, 691005), (32905, 613095), (40873, 493575), (46067, 437925), (87585, 230335), (98715, 204365), (122619, 164525), (138201, 145975)]