20885238

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{337}}^1$

素因数の和:669

約数の個数: 48

約数和(自身を含む): 49669776

約数和(自身を除く): 28784538

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 313, 337, 626, 674, 939, 1011, 1878, 2022, 2817, 3033, 3443, 3707, 5634, 6066, 6886, 7414, 10329, 11121, 20658, 22242, 30987, 33363, 61974, 66726, 105481, 210962, 316443, 632886, 949329, 1160291, 1898658, 2320582, 3480873, 6961746, 10442619, 20885238]

約数ペア:

[(1, 20885238), (2, 10442619), (3, 6961746), (6, 3480873), (9, 2320582), (11, 1898658), (18, 1160291), (22, 949329), (33, 632886), (66, 316443), (99, 210962), (198, 105481), (313, 66726), (337, 61974), (626, 33363), (674, 30987), (939, 22242), (1011, 20658), (1878, 11121), (2022, 10329), (2817, 7414), (3033, 6886), (3443, 6066), (3707, 5634)]