20774249456

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{1988347}}^1$

素因数の和:1989008

約数の個数: 20

約数和(自身を含む): 40311767352

約数和(自身を除く): 19537517896

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2612, 5224, 10448, 1988347, 3976694, 7953388, 15906776, 31813552, 1298390591, 2596781182, 5193562364, 10387124728, 20774249456]

約数ペア:

[(1, 20774249456), (2, 10387124728), (4, 5193562364), (8, 2596781182), (16, 1298390591), (653, 31813552), (1306, 15906776), (2612, 7953388), (5224, 3976694), (10448, 1988347)]