20535710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3361}}^1$

素因数の和:3428

約数の個数: 32

約数和(自身を含む): 40666752

約数和(自身を除く): 20131042

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 3361, 6110, 6722, 16805, 33610, 43693, 87386, 157967, 218465, 315934, 436930, 789835, 1579670, 2053571, 4107142, 10267855, 20535710]

約数ペア:

[(1, 20535710), (2, 10267855), (5, 4107142), (10, 2053571), (13, 1579670), (26, 789835), (47, 436930), (65, 315934), (94, 218465), (130, 157967), (235, 87386), (470, 43693), (611, 33610), (1222, 16805), (3055, 6722), (3361, 6110)]