20862070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{389}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 39087360

約数和(自身を除く): 18225290

約数列:

[1, 2, 5, 10, 31, 62, 155, 173, 310, 346, 389, 778, 865, 1730, 1945, 3890, 5363, 10726, 12059, 24118, 26815, 53630, 60295, 67297, 120590, 134594, 336485, 672970, 2086207, 4172414, 10431035, 20862070]

約数ペア:

[(1, 20862070), (2, 10431035), (5, 4172414), (10, 2086207), (31, 672970), (62, 336485), (155, 134594), (173, 120590), (310, 67297), (346, 60295), (389, 53630), (778, 26815), (865, 24118), (1730, 12059), (1945, 10726), (3890, 5363)]