20449832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6343}}^1$

素因数の和:6393

約数の個数: 32

約数和(自身を含む): 42631680

約数和(自身を除く): 22181848

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 6343, 12686, 25372, 50744, 82459, 164918, 196633, 329836, 393266, 659672, 786532, 1573064, 2556229, 5112458, 10224916, 20449832]

約数ペア:

[(1, 20449832), (2, 10224916), (4, 5112458), (8, 2556229), (13, 1573064), (26, 786532), (31, 659672), (52, 393266), (62, 329836), (104, 196633), (124, 164918), (248, 82459), (403, 50744), (806, 25372), (1612, 12686), (3224, 6343)]