20017956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1427}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 53738496

約数和(自身を除く): 33720540

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 167, 334, 501, 668, 1002, 1169, 1427, 2004, 2338, 2854, 3507, 4281, 4676, 5708, 7014, 8562, 9989, 14028, 17124, 19978, 29967, 39956, 59934, 119868, 238309, 476618, 714927, 953236, 1429854, 1668163, 2859708, 3336326, 5004489, 6672652, 10008978, 20017956]

約数ペア:

[(1, 20017956), (2, 10008978), (3, 6672652), (4, 5004489), (6, 3336326), (7, 2859708), (12, 1668163), (14, 1429854), (21, 953236), (28, 714927), (42, 476618), (84, 238309), (167, 119868), (334, 59934), (501, 39956), (668, 29967), (1002, 19978), (1169, 17124), (1427, 14028), (2004, 9989), (2338, 8562), (2854, 7014), (3507, 5708), (4281, 4676)]