20862960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86929}}^1$

素因数の和:86945

約数の個数: 40

約数和(自身を含む): 64675920

約数和(自身を除く): 43812960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86929, 173858, 260787, 347716, 434645, 521574, 695432, 869290, 1043148, 1303935, 1390864, 1738580, 2086296, 2607870, 3477160, 4172592, 5215740, 6954320, 10431480, 20862960]

約数ペア:

[(1, 20862960), (2, 10431480), (3, 6954320), (4, 5215740), (5, 4172592), (6, 3477160), (8, 2607870), (10, 2086296), (12, 1738580), (15, 1390864), (16, 1303935), (20, 1043148), (24, 869290), (30, 695432), (40, 521574), (48, 434645), (60, 347716), (80, 260787), (120, 173858), (240, 86929)]