20365338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7949}}^1$

素因数の和:8022

約数の個数: 32

約数和(自身を含む): 47318400

約数和(自身を除く): 26953062

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 7949, 15898, 23847, 47694, 55643, 111286, 166929, 333858, 484889, 969778, 1454667, 2909334, 3394223, 6788446, 10182669, 20365338]

約数ペア:

[(1, 20365338), (2, 10182669), (3, 6788446), (6, 3394223), (7, 2909334), (14, 1454667), (21, 969778), (42, 484889), (61, 333858), (122, 166929), (183, 111286), (366, 55643), (427, 47694), (854, 23847), (1281, 15898), (2562, 7949)]