20613537

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1013}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 37964160

約数和(自身を除く): 17350623

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1013, 1071, 1197, 2261, 2907, 3039, 6783, 7091, 9117, 17221, 19247, 20349, 21273, 51663, 57741, 63819, 120547, 134729, 154989, 173223, 327199, 361641, 404187, 981597, 1084923, 1212561, 2290393, 2944791, 6871179, 20613537]

約数ペア:

[(1, 20613537), (3, 6871179), (7, 2944791), (9, 2290393), (17, 1212561), (19, 1084923), (21, 981597), (51, 404187), (57, 361641), (63, 327199), (119, 173223), (133, 154989), (153, 134729), (171, 120547), (323, 63819), (357, 57741), (399, 51663), (969, 21273), (1013, 20349), (1071, 19247), (1197, 17221), (2261, 9117), (2907, 7091), (3039, 6783)]