20001078

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{401}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 46281456

約数和(自身を除く): 26280378

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 163, 306, 326, 401, 489, 802, 978, 1203, 1467, 2406, 2771, 2934, 3609, 5542, 6817, 7218, 8313, 13634, 16626, 20451, 24939, 40902, 49878, 61353, 65363, 122706, 130726, 196089, 392178, 588267, 1111171, 1176534, 2222342, 3333513, 6667026, 10000539, 20001078]

約数ペア:

[(1, 20001078), (2, 10000539), (3, 6667026), (6, 3333513), (9, 2222342), (17, 1176534), (18, 1111171), (34, 588267), (51, 392178), (102, 196089), (153, 130726), (163, 122706), (306, 65363), (326, 61353), (401, 49878), (489, 40902), (802, 24939), (978, 20451), (1203, 16626), (1467, 13634), (2406, 8313), (2771, 7218), (2934, 6817), (3609, 5542)]