20158749975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{5119}}^1$

素因数の和:5729

約数の個数: 96

約数和(自身を含む): 41099591680

約数和(自身を除く): 20940841705

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 577, 975, 1365, 1731, 2275, 2885, 4039, 5119, 6825, 7501, 8655, 12117, 14425, 15357, 20195, 22503, 25595, 35833, 37505, 43275, 52507, 60585, 66547, 76785, 100975, 107499, 112515, 127975, 157521, 179165, 187525, 199641, 262535, 302925, 332735, 383925, 465829, 537495, 562575, 787605, 895825, 998205, 1312675, 1397487, 1663675, 2329145, 2687475, 2953663, 3938025, 4991025, 6987435, 8860989, 11645725, 14768315, 20675641, 34937175, 38397619, 44304945, 62026923, 73841575, 103378205, 115192857, 191988095, 221524725, 268783333, 310134615, 516891025, 575964285, 806349999, 959940475, 1343916665, 1550673075, 2879821425, 4031749995, 6719583325, 20158749975]

約数ペア:

[(1, 20158749975), (3, 6719583325), (5, 4031749995), (7, 2879821425), (13, 1550673075), (15, 1343916665), (21, 959940475), (25, 806349999), (35, 575964285), (39, 516891025), (65, 310134615), (75, 268783333), (91, 221524725), (105, 191988095), (175, 115192857), (195, 103378205), (273, 73841575), (325, 62026923), (455, 44304945), (525, 38397619), (577, 34937175), (975, 20675641), (1365, 14768315), (1731, 11645725), (2275, 8860989), (2885, 6987435), (4039, 4991025), (5119, 3938025), (6825, 2953663), (7501, 2687475), (8655, 2329145), (12117, 1663675), (14425, 1397487), (15357, 1312675), (20195, 998205), (22503, 895825), (25595, 787605), (35833, 562575), (37505, 537495), (43275, 465829), (52507, 383925), (60585, 332735), (66547, 302925), (76785, 262535), (100975, 199641), (107499, 187525), (112515, 179165), (127975, 157521)]