20616075

素因数分解:

$3^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{1553}}^1$

素因数の和:1628

約数の個数: 36

約数和(自身を含む): 37575720

約数和(自身を除く): 16959645

約数列:

[1, 3, 5, 9, 15, 25, 45, 59, 75, 177, 225, 295, 531, 885, 1475, 1553, 2655, 4425, 4659, 7765, 13275, 13977, 23295, 38825, 69885, 91627, 116475, 274881, 349425, 458135, 824643, 1374405, 2290675, 4123215, 6872025, 20616075]

約数ペア:

[(1, 20616075), (3, 6872025), (5, 4123215), (9, 2290675), (15, 1374405), (25, 824643), (45, 458135), (59, 349425), (75, 274881), (177, 116475), (225, 91627), (295, 69885), (531, 38825), (885, 23295), (1475, 13977), (1553, 13275), (2655, 7765), (4425, 4659)]