20207866

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 36951552

約数和(自身を除く): 16743686

約数列:

[1, 2, 7, 14, 17, 34, 119, 197, 238, 394, 431, 862, 1379, 2758, 3017, 3349, 6034, 6698, 7327, 14654, 23443, 46886, 51289, 84907, 102578, 169814, 594349, 1188698, 1443419, 2886838, 10103933, 20207866]

約数ペア:

[(1, 20207866), (2, 10103933), (7, 2886838), (14, 1443419), (17, 1188698), (34, 594349), (119, 169814), (197, 102578), (238, 84907), (394, 51289), (431, 46886), (862, 23443), (1379, 14654), (2758, 7327), (3017, 6698), (3349, 6034)]