20879118

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89227}}^1$

素因数の和:89248

約数の個数: 24

約数和(自身を含む): 48718488

約数和(自身を除く): 27839370

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89227, 178454, 267681, 535362, 803043, 1159951, 1606086, 2319902, 3479853, 6959706, 10439559, 20879118]

約数ペア:

[(1, 20879118), (2, 10439559), (3, 6959706), (6, 3479853), (9, 2319902), (13, 1606086), (18, 1159951), (26, 803043), (39, 535362), (78, 267681), (117, 178454), (234, 89227)]