20882950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 43407936

約数和(自身を除く): 22524986

約数列:

[1, 2, 5, 10, 11, 22, 25, 43, 50, 55, 86, 110, 215, 275, 430, 473, 550, 883, 946, 1075, 1766, 2150, 2365, 4415, 4730, 8830, 9713, 11825, 19426, 22075, 23650, 37969, 44150, 48565, 75938, 97130, 189845, 242825, 379690, 417659, 485650, 835318, 949225, 1898450, 2088295, 4176590, 10441475, 20882950]

約数ペア:

[(1, 20882950), (2, 10441475), (5, 4176590), (10, 2088295), (11, 1898450), (22, 949225), (25, 835318), (43, 485650), (50, 417659), (55, 379690), (86, 242825), (110, 189845), (215, 97130), (275, 75938), (430, 48565), (473, 44150), (550, 37969), (883, 23650), (946, 22075), (1075, 19426), (1766, 11825), (2150, 9713), (2365, 8830), (4415, 4730)]