20551405719

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{419}}^1\times {\mathrm{1087}}^1$

素因数の和:1624

約数の個数: 48

約数和(自身を含む): 30104524800

約数和(自身を除く): 9553119081

約数列:

[1, 3, 13, 39, 89, 169, 267, 419, 507, 1087, 1157, 1257, 3261, 3471, 5447, 14131, 15041, 16341, 37291, 42393, 45123, 70811, 96743, 111873, 183703, 212433, 290229, 455453, 484783, 551109, 1257659, 1366359, 1454349, 3772977, 5920889, 6302179, 16349567, 17762667, 18906537, 40535317, 49048701, 76971557, 121605951, 230914671, 526959121, 1580877363, 6850468573, 20551405719]

約数ペア:

[(1, 20551405719), (3, 6850468573), (13, 1580877363), (39, 526959121), (89, 230914671), (169, 121605951), (267, 76971557), (419, 49048701), (507, 40535317), (1087, 18906537), (1157, 17762667), (1257, 16349567), (3261, 6302179), (3471, 5920889), (5447, 3772977), (14131, 1454349), (15041, 1366359), (16341, 1257659), (37291, 551109), (42393, 484783), (45123, 455453), (70811, 290229), (96743, 212433), (111873, 183703)]