20268290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12589}}^1$

素因数の和:12626

約数の個数: 32

約数和(自身を含む): 43511040

約数和(自身を除く): 23242750

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12589, 25178, 62945, 88123, 125890, 176246, 289547, 440615, 579094, 881230, 1447735, 2026829, 2895470, 4053658, 10134145, 20268290]

約数ペア:

[(1, 20268290), (2, 10134145), (5, 4053658), (7, 2895470), (10, 2026829), (14, 1447735), (23, 881230), (35, 579094), (46, 440615), (70, 289547), (115, 176246), (161, 125890), (230, 88123), (322, 62945), (805, 25178), (1610, 12589)]