20885280681

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1\times {\mathrm{5381}}^1$

素因数の和:6009

約数の個数: 32

約数和(自身を含む): 29579472000

約数和(自身を除く): 8694191319

約数列:

[1, 3, 19, 57, 149, 447, 457, 1371, 2831, 5381, 8493, 8683, 16143, 26049, 68093, 102239, 204279, 306717, 801769, 1293767, 2405307, 2459117, 3881301, 7377351, 15233611, 45700833, 46723223, 140169669, 366408433, 1099225299, 6961760227, 20885280681]

約数ペア:

[(1, 20885280681), (3, 6961760227), (19, 1099225299), (57, 366408433), (149, 140169669), (447, 46723223), (457, 45700833), (1371, 15233611), (2831, 7377351), (5381, 3881301), (8493, 2459117), (8683, 2405307), (16143, 1293767), (26049, 801769), (68093, 306717), (102239, 204279)]