20003936

素因数分解:

$2^5\times {\mathrm{389}}^1\times {\mathrm{1607}}^1$

素因数の和:2006

約数の個数: 24

約数和(自身を含む): 39508560

約数和(自身を除く): 19504624

約数列:

[1, 2, 4, 8, 16, 32, 389, 778, 1556, 1607, 3112, 3214, 6224, 6428, 12448, 12856, 25712, 51424, 625123, 1250246, 2500492, 5000984, 10001968, 20003936]

約数ペア:

[(1, 20003936), (2, 10001968), (4, 5000984), (8, 2500492), (16, 1250246), (32, 625123), (389, 51424), (778, 25712), (1556, 12856), (1607, 12448), (3112, 6428), (3214, 6224)]