20893446145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{3187}}^1$

素因数の和:3442

約数の個数: 64

約数和(自身を含む): 30194083584

約数和(自身を除く): 9300637439

約数列:

[1, 5, 11, 13, 53, 55, 65, 143, 173, 265, 583, 689, 715, 865, 1903, 2249, 2915, 3187, 3445, 7579, 9169, 9515, 11245, 15935, 24739, 35057, 37895, 41431, 45845, 100859, 119197, 123695, 168911, 175285, 207155, 455741, 504295, 551351, 595985, 844555, 1311167, 1858021, 2195843, 2278705, 2756755, 6064861, 6555835, 7167563, 9290105, 10979215, 24154273, 29221603, 30324305, 35837815, 78843193, 120771365, 146108015, 321437633, 379880839, 394215965, 1607188165, 1899404195, 4178689229, 20893446145]

約数ペア:

[(1, 20893446145), (5, 4178689229), (11, 1899404195), (13, 1607188165), (53, 394215965), (55, 379880839), (65, 321437633), (143, 146108015), (173, 120771365), (265, 78843193), (583, 35837815), (689, 30324305), (715, 29221603), (865, 24154273), (1903, 10979215), (2249, 9290105), (2915, 7167563), (3187, 6555835), (3445, 6064861), (7579, 2756755), (9169, 2278705), (9515, 2195843), (11245, 1858021), (15935, 1311167), (24739, 844555), (35057, 595985), (37895, 551351), (41431, 504295), (45845, 455741), (100859, 207155), (119197, 175285), (123695, 168911)]