20327190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52121}}^1$

素因数の和:52144

約数の個数: 32

約数和(自身を含む): 52538976

約数和(自身を除く): 32211786

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52121, 104242, 156363, 260605, 312726, 521210, 677573, 781815, 1355146, 1563630, 2032719, 3387865, 4065438, 6775730, 10163595, 20327190]

約数ペア:

[(1, 20327190), (2, 10163595), (3, 6775730), (5, 4065438), (6, 3387865), (10, 2032719), (13, 1563630), (15, 1355146), (26, 781815), (30, 677573), (39, 521210), (65, 312726), (78, 260605), (130, 156363), (195, 104242), (390, 52121)]