20050792715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{653}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 27050360832

約数和(自身を除く): 6999568117

約数列:

[1, 5, 17, 31, 43, 85, 155, 215, 271, 527, 653, 731, 1333, 1355, 2635, 3265, 3655, 4607, 6665, 8401, 11101, 11653, 20243, 22661, 23035, 28079, 42005, 55505, 58265, 101215, 113305, 140395, 142817, 176963, 198101, 344131, 361243, 477343, 714085, 870449, 884815, 990505, 1720655, 1806215, 2386715, 3008371, 4352245, 5485853, 6141131, 7609409, 14797633, 15041855, 27429265, 30705655, 38047045, 73988165, 93259501, 129359953, 235891679, 466297505, 646799765, 1179458395, 4010158543, 20050792715]

約数ペア:

[(1, 20050792715), (5, 4010158543), (17, 1179458395), (31, 646799765), (43, 466297505), (85, 235891679), (155, 129359953), (215, 93259501), (271, 73988165), (527, 38047045), (653, 30705655), (731, 27429265), (1333, 15041855), (1355, 14797633), (2635, 7609409), (3265, 6141131), (3655, 5485853), (4607, 4352245), (6665, 3008371), (8401, 2386715), (11101, 1806215), (11653, 1720655), (20243, 990505), (22661, 884815), (23035, 870449), (28079, 714085), (42005, 477343), (55505, 361243), (58265, 344131), (101215, 198101), (113305, 176963), (140395, 142817)]