20907614

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{16411}}^1$

素因数の和:16440

約数の個数: 24

約数和(自身を含む): 39290328

約数和(自身を除く): 18382714

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 16411, 32822, 114877, 213343, 229754, 426686, 804139, 1493401, 1608278, 2986802, 10453807, 20907614]

約数ペア:

[(1, 20907614), (2, 10453807), (7, 2986802), (13, 1608278), (14, 1493401), (26, 804139), (49, 426686), (91, 229754), (98, 213343), (182, 114877), (637, 32822), (1274, 16411)]