20499969636

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{9335141}}^1$

素因数の和:9335212

約数の個数: 36

約数和(自身を含む): 52668871164

約数和(自身を除く): 32168901528

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 366, 549, 732, 1098, 2196, 9335141, 18670282, 28005423, 37340564, 56010846, 84016269, 112021692, 168032538, 336065076, 569443601, 1138887202, 1708330803, 2277774404, 3416661606, 5124992409, 6833323212, 10249984818, 20499969636]

約数ペア:

[(1, 20499969636), (2, 10249984818), (3, 6833323212), (4, 5124992409), (6, 3416661606), (9, 2277774404), (12, 1708330803), (18, 1138887202), (36, 569443601), (61, 336065076), (122, 168032538), (183, 112021692), (244, 84016269), (366, 56010846), (549, 37340564), (732, 28005423), (1098, 18670282), (2196, 9335141)]