20101998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4391}}^1$

素因数の和:4512

約数の個数: 32

約数和(自身を含む): 46379520

約数和(自身を除く): 26277522

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4391, 4578, 8782, 13173, 26346, 30737, 61474, 92211, 184422, 478619, 957238, 1435857, 2871714, 3350333, 6700666, 10050999, 20101998]

約数ペア:

[(1, 20101998), (2, 10050999), (3, 6700666), (6, 3350333), (7, 2871714), (14, 1435857), (21, 957238), (42, 478619), (109, 184422), (218, 92211), (327, 61474), (654, 30737), (763, 26346), (1526, 13173), (2289, 8782), (4391, 4578)]