20156758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 33454080

約数和(自身を除く): 13297322

約数列:

[1, 2, 19, 31, 38, 62, 71, 142, 241, 482, 589, 1178, 1349, 2201, 2698, 4402, 4579, 7471, 9158, 14942, 17111, 34222, 41819, 83638, 141949, 283898, 325109, 530441, 650218, 1060882, 10078379, 20156758]

約数ペア:

[(1, 20156758), (2, 10078379), (19, 1060882), (31, 650218), (38, 530441), (62, 325109), (71, 283898), (142, 141949), (241, 83638), (482, 41819), (589, 34222), (1178, 17111), (1349, 14942), (2201, 9158), (2698, 7471), (4402, 4579)]