20736500

素因数分解:

$2^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{619}}^1$

素因数の和:705

約数の個数: 48

約数和(自身を含む): 46038720

約数和(自身を除く): 25302220

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 125, 134, 250, 268, 335, 500, 619, 670, 1238, 1340, 1675, 2476, 3095, 3350, 6190, 6700, 8375, 12380, 15475, 16750, 30950, 33500, 41473, 61900, 77375, 82946, 154750, 165892, 207365, 309500, 414730, 829460, 1036825, 2073650, 4147300, 5184125, 10368250, 20736500]

約数ペア:

[(1, 20736500), (2, 10368250), (4, 5184125), (5, 4147300), (10, 2073650), (20, 1036825), (25, 829460), (50, 414730), (67, 309500), (100, 207365), (125, 165892), (134, 154750), (250, 82946), (268, 77375), (335, 61900), (500, 41473), (619, 33500), (670, 30950), (1238, 16750), (1340, 15475), (1675, 12380), (2476, 8375), (3095, 6700), (3350, 6190)]