20161650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{257}}^1\times {\mathrm{523}}^1$

素因数の和:795

約数の個数: 48

約数和(自身を含む): 50291424

約数和(自身を除く): 30129774

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 257, 514, 523, 771, 1046, 1285, 1542, 1569, 2570, 2615, 3138, 3855, 5230, 6425, 7710, 7845, 12850, 13075, 15690, 19275, 26150, 38550, 39225, 78450, 134411, 268822, 403233, 672055, 806466, 1344110, 2016165, 3360275, 4032330, 6720550, 10080825, 20161650]

約数ペア:

[(1, 20161650), (2, 10080825), (3, 6720550), (5, 4032330), (6, 3360275), (10, 2016165), (15, 1344110), (25, 806466), (30, 672055), (50, 403233), (75, 268822), (150, 134411), (257, 78450), (514, 39225), (523, 38550), (771, 26150), (1046, 19275), (1285, 15690), (1542, 13075), (1569, 12850), (2570, 7845), (2615, 7710), (3138, 6425), (3855, 5230)]