20717892

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44269}}^1$

素因数の和:44292

約数の個数: 36

約数和(自身を含む): 56399980

約数和(自身を除く): 35682088

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44269, 88538, 132807, 177076, 265614, 398421, 531228, 575497, 796842, 1150994, 1593684, 1726491, 2301988, 3452982, 5179473, 6905964, 10358946, 20717892]

約数ペア:

[(1, 20717892), (2, 10358946), (3, 6905964), (4, 5179473), (6, 3452982), (9, 2301988), (12, 1726491), (13, 1593684), (18, 1150994), (26, 796842), (36, 575497), (39, 531228), (52, 398421), (78, 265614), (117, 177076), (156, 132807), (234, 88538), (468, 44269)]