20041450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2803}}^1$

素因数の和:2839

約数の個数: 48

約数和(自身を含む): 43809696

約数和(自身を除く): 23768246

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2803, 3575, 5606, 7150, 14015, 28030, 30833, 36439, 61666, 70075, 72878, 140150, 154165, 182195, 308330, 364390, 400829, 770825, 801658, 910975, 1541650, 1821950, 2004145, 4008290, 10020725, 20041450]

約数ペア:

[(1, 20041450), (2, 10020725), (5, 4008290), (10, 2004145), (11, 1821950), (13, 1541650), (22, 910975), (25, 801658), (26, 770825), (50, 400829), (55, 364390), (65, 308330), (110, 182195), (130, 154165), (143, 140150), (275, 72878), (286, 70075), (325, 61666), (550, 36439), (650, 30833), (715, 28030), (1430, 14015), (2803, 7150), (3575, 5606)]