20233005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 37847040

約数和(自身を除く): 17614035

約数列:

[1, 3, 5, 13, 15, 19, 39, 43, 57, 65, 95, 127, 129, 195, 215, 247, 285, 381, 559, 635, 645, 741, 817, 1235, 1651, 1677, 1905, 2413, 2451, 2795, 3705, 4085, 4953, 5461, 7239, 8255, 8385, 10621, 12065, 12255, 16383, 24765, 27305, 31369, 31863, 36195, 53105, 70993, 81915, 94107, 103759, 156845, 159315, 212979, 311277, 354965, 470535, 518795, 1064895, 1348867, 1556385, 4046601, 6744335, 20233005]

約数ペア:

[(1, 20233005), (3, 6744335), (5, 4046601), (13, 1556385), (15, 1348867), (19, 1064895), (39, 518795), (43, 470535), (57, 354965), (65, 311277), (95, 212979), (127, 159315), (129, 156845), (195, 103759), (215, 94107), (247, 81915), (285, 70993), (381, 53105), (559, 36195), (635, 31863), (645, 31369), (741, 27305), (817, 24765), (1235, 16383), (1651, 12255), (1677, 12065), (1905, 10621), (2413, 8385), (2451, 8255), (2795, 7239), (3705, 5461), (4085, 4953)]