20908446

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8647}}^1$

素因数の和:8696

約数の個数: 32

約数和(自身を含む): 46491648

約数和(自身を除く): 25583202

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8647, 17294, 25941, 51882, 112411, 224822, 268057, 337233, 536114, 674466, 804171, 1608342, 3484741, 6969482, 10454223, 20908446]

約数ペア:

[(1, 20908446), (2, 10454223), (3, 6969482), (6, 3484741), (13, 1608342), (26, 804171), (31, 674466), (39, 536114), (62, 337233), (78, 268057), (93, 224822), (186, 112411), (403, 51882), (806, 25941), (1209, 17294), (2418, 8647)]