20432740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 45859968

約数和(自身を除く): 25427228

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1033, 1978, 2066, 3956, 4132, 4945, 5165, 9890, 10330, 19780, 20660, 23759, 44419, 47518, 88838, 95036, 118795, 177676, 222095, 237590, 444190, 475180, 888380, 1021637, 2043274, 4086548, 5108185, 10216370, 20432740]

約数ペア:

[(1, 20432740), (2, 10216370), (4, 5108185), (5, 4086548), (10, 2043274), (20, 1021637), (23, 888380), (43, 475180), (46, 444190), (86, 237590), (92, 222095), (115, 177676), (172, 118795), (215, 95036), (230, 88838), (430, 47518), (460, 44419), (860, 23759), (989, 20660), (1033, 19780), (1978, 10330), (2066, 9890), (3956, 5165), (4132, 4945)]