20413022

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 16911778

約数列:

[1, 2, 7, 14, 17, 34, 119, 199, 238, 398, 431, 862, 1393, 2786, 3017, 3383, 6034, 6766, 7327, 14654, 23681, 47362, 51289, 85769, 102578, 171538, 600383, 1200766, 1458073, 2916146, 10206511, 20413022]

約数ペア:

[(1, 20413022), (2, 10206511), (7, 2916146), (14, 1458073), (17, 1200766), (34, 600383), (119, 171538), (199, 102578), (238, 85769), (398, 51289), (431, 47362), (862, 23681), (1393, 14654), (2786, 7327), (3017, 6766), (3383, 6034)]