20922960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87179}}^1$

素因数の和:87195

約数の個数: 40

約数和(自身を含む): 64861920

約数和(自身を除く): 43938960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87179, 174358, 261537, 348716, 435895, 523074, 697432, 871790, 1046148, 1307685, 1394864, 1743580, 2092296, 2615370, 3487160, 4184592, 5230740, 6974320, 10461480, 20922960]

約数ペア:

[(1, 20922960), (2, 10461480), (3, 6974320), (4, 5230740), (5, 4184592), (6, 3487160), (8, 2615370), (10, 2092296), (12, 1743580), (15, 1394864), (16, 1307685), (20, 1046148), (24, 871790), (30, 697432), (40, 523074), (48, 435895), (60, 348716), (80, 261537), (120, 174358), (240, 87179)]