20708530

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{577}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 38744496

約数和(自身を除く): 18035966

約数列:

[1, 2, 5, 10, 37, 74, 97, 185, 194, 370, 485, 577, 970, 1154, 2885, 3589, 5770, 7178, 17945, 21349, 35890, 42698, 55969, 106745, 111938, 213490, 279845, 559690, 2070853, 4141706, 10354265, 20708530]

約数ペア:

[(1, 20708530), (2, 10354265), (5, 4141706), (10, 2070853), (37, 559690), (74, 279845), (97, 213490), (185, 111938), (194, 106745), (370, 55969), (485, 42698), (577, 35890), (970, 21349), (1154, 17945), (2885, 7178), (3589, 5770)]