20219650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 21340190

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 97, 110, 194, 275, 379, 485, 550, 758, 970, 1067, 1895, 2134, 2425, 3790, 4169, 4850, 5335, 8338, 9475, 10670, 18950, 20845, 26675, 36763, 41690, 53350, 73526, 104225, 183815, 208450, 367630, 404393, 808786, 919075, 1838150, 2021965, 4043930, 10109825, 20219650]

約数ペア:

[(1, 20219650), (2, 10109825), (5, 4043930), (10, 2021965), (11, 1838150), (22, 919075), (25, 808786), (50, 404393), (55, 367630), (97, 208450), (110, 183815), (194, 104225), (275, 73526), (379, 53350), (485, 41690), (550, 36763), (758, 26675), (970, 20845), (1067, 18950), (1895, 10670), (2134, 9475), (2425, 8338), (3790, 5335), (4169, 4850)]