20621230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{3037}}^1$

素因数の和:3148

約数の個数: 32

約数和(自身を含む): 42872256

約数和(自身を除く): 22251026

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 3037, 3395, 6074, 6790, 15185, 21259, 30370, 42518, 106295, 212590, 294589, 589178, 1472945, 2062123, 2945890, 4124246, 10310615, 20621230]

約数ペア:

[(1, 20621230), (2, 10310615), (5, 4124246), (7, 2945890), (10, 2062123), (14, 1472945), (35, 589178), (70, 294589), (97, 212590), (194, 106295), (485, 42518), (679, 30370), (970, 21259), (1358, 15185), (3037, 6790), (3395, 6074)]