20804513506

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{283}}^1\times {\mathrm{26387}}^1$

素因数の和:26878

約数の個数: 32

約数和(自身を含む): 35972121600

約数和(自身を除く): 15167608094

約数列:

[1, 2, 7, 14, 199, 283, 398, 566, 1393, 1981, 2786, 3962, 26387, 52774, 56317, 112634, 184709, 369418, 394219, 788438, 5251013, 7467521, 10502026, 14935042, 36757091, 52272647, 73514182, 104545294, 1486036679, 2972073358, 10402256753, 20804513506]

約数ペア:

[(1, 20804513506), (2, 10402256753), (7, 2972073358), (14, 1486036679), (199, 104545294), (283, 73514182), (398, 52272647), (566, 36757091), (1393, 14935042), (1981, 10502026), (2786, 7467521), (3962, 5251013), (26387, 788438), (52774, 394219), (56317, 369418), (112634, 184709)]