20634116

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 36855000

約数和(自身を除く): 16220884

約数列:

[1, 2, 4, 89, 149, 178, 298, 356, 389, 596, 778, 1556, 13261, 26522, 34621, 53044, 57961, 69242, 115922, 138484, 231844, 5158529, 10317058, 20634116]

約数ペア:

[(1, 20634116), (2, 10317058), (4, 5158529), (89, 231844), (149, 138484), (178, 115922), (298, 69242), (356, 57961), (389, 53044), (596, 34621), (778, 26522), (1556, 13261)]