20901264

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^1\times {\mathrm{6133}}^1$

素因数の和:6215

約数の個数: 40

約数和(自身を含む): 54764352

約数和(自身を除く): 33863088

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 142, 213, 284, 426, 568, 852, 1136, 1704, 3408, 6133, 12266, 18399, 24532, 36798, 49064, 73596, 98128, 147192, 294384, 435443, 870886, 1306329, 1741772, 2612658, 3483544, 5225316, 6967088, 10450632, 20901264]

約数ペア:

[(1, 20901264), (2, 10450632), (3, 6967088), (4, 5225316), (6, 3483544), (8, 2612658), (12, 1741772), (16, 1306329), (24, 870886), (48, 435443), (71, 294384), (142, 147192), (213, 98128), (284, 73596), (426, 49064), (568, 36798), (852, 24532), (1136, 18399), (1704, 12266), (3408, 6133)]