20366947665

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{239851}}^1$

素因数の和:239919

約数の個数: 64

約数和(自身を含む): 39374104320

約数和(自身を除く): 19007156655

約数列:

[1, 3, 5, 9, 15, 17, 27, 37, 45, 51, 85, 111, 135, 153, 185, 255, 333, 459, 555, 629, 765, 999, 1665, 1887, 2295, 3145, 4995, 5661, 9435, 16983, 28305, 84915, 239851, 719553, 1199255, 2158659, 3597765, 4077467, 6475977, 8874487, 10793295, 12232401, 20387335, 26623461, 32379885, 36697203, 44372435, 61162005, 79870383, 110091609, 133117305, 150866279, 183486015, 239611149, 399351915, 452598837, 550458045, 754331395, 1198055745, 1357796511, 2262994185, 4073389533, 6788982555, 20366947665]

約数ペア:

[(1, 20366947665), (3, 6788982555), (5, 4073389533), (9, 2262994185), (15, 1357796511), (17, 1198055745), (27, 754331395), (37, 550458045), (45, 452598837), (51, 399351915), (85, 239611149), (111, 183486015), (135, 150866279), (153, 133117305), (185, 110091609), (255, 79870383), (333, 61162005), (459, 44372435), (555, 36697203), (629, 32379885), (765, 26623461), (999, 20387335), (1665, 12232401), (1887, 10793295), (2295, 8874487), (3145, 6475977), (4995, 4077467), (5661, 3597765), (9435, 2158659), (16983, 1199255), (28305, 719553), (84915, 239851)]