20310363376

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{415787}}^1$

素因数の和:415909

約数の個数: 40

約数和(自身を含む): 40833707904

約数和(自身を除く): 20523344528

約数列:

[1, 2, 4, 8, 16, 43, 71, 86, 142, 172, 284, 344, 568, 688, 1136, 3053, 6106, 12212, 24424, 48848, 415787, 831574, 1663148, 3326296, 6652592, 17878841, 29520877, 35757682, 59041754, 71515364, 118083508, 143030728, 236167016, 286061456, 472334032, 1269397711, 2538795422, 5077590844, 10155181688, 20310363376]

約数ペア:

[(1, 20310363376), (2, 10155181688), (4, 5077590844), (8, 2538795422), (16, 1269397711), (43, 472334032), (71, 286061456), (86, 236167016), (142, 143030728), (172, 118083508), (284, 71515364), (344, 59041754), (568, 35757682), (688, 29520877), (1136, 17878841), (3053, 6652592), (6106, 3326296), (12212, 1663148), (24424, 831574), (48848, 415787)]