20177884461

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{14887}}^1$

素因数の和:15038

約数の個数: 64

約数和(自身を含む): 33539686400

約数和(自身を除く): 13361801939

約数列:

[1, 3, 7, 19, 21, 43, 57, 79, 129, 133, 237, 301, 399, 553, 817, 903, 1501, 1659, 2451, 3397, 4503, 5719, 10191, 10507, 14887, 17157, 23779, 31521, 44661, 64543, 71337, 104209, 193629, 282853, 312627, 451801, 640141, 848559, 1176073, 1355403, 1920423, 1979971, 3528219, 4480987, 5939913, 8232511, 12162679, 13442961, 22345387, 24697533, 36488037, 50571139, 67036161, 85138753, 151713417, 156417709, 255416259, 353997973, 469253127, 960851641, 1061993919, 2882554923, 6725961487, 20177884461]

約数ペア:

[(1, 20177884461), (3, 6725961487), (7, 2882554923), (19, 1061993919), (21, 960851641), (43, 469253127), (57, 353997973), (79, 255416259), (129, 156417709), (133, 151713417), (237, 85138753), (301, 67036161), (399, 50571139), (553, 36488037), (817, 24697533), (903, 22345387), (1501, 13442961), (1659, 12162679), (2451, 8232511), (3397, 5939913), (4503, 4480987), (5719, 3528219), (10191, 1979971), (10507, 1920423), (14887, 1355403), (17157, 1176073), (23779, 848559), (31521, 640141), (44661, 451801), (64543, 312627), (71337, 282853), (104209, 193629)]