20179750

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1523}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 38514528

約数和(自身を除く): 18334778

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 1523, 2650, 3046, 6625, 7615, 13250, 15230, 38075, 76150, 80719, 161438, 190375, 380750, 403595, 807190, 2017975, 4035950, 10089875, 20179750]

約数ペア:

[(1, 20179750), (2, 10089875), (5, 4035950), (10, 2017975), (25, 807190), (50, 403595), (53, 380750), (106, 190375), (125, 161438), (250, 80719), (265, 76150), (530, 38075), (1325, 15230), (1523, 13250), (2650, 7615), (3046, 6625)]