20298276

素因数分解:

$2^2\times 3^6\times {\mathrm{6961}}^1$

素因数の和:6983

約数の個数: 42

約数和(自身を含む): 53266262

約数和(自身を除く): 32967986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 6961, 13922, 20883, 27844, 41766, 62649, 83532, 125298, 187947, 250596, 375894, 563841, 751788, 1127682, 1691523, 2255364, 3383046, 5074569, 6766092, 10149138, 20298276]

約数ペア:

[(1, 20298276), (2, 10149138), (3, 6766092), (4, 5074569), (6, 3383046), (9, 2255364), (12, 1691523), (18, 1127682), (27, 751788), (36, 563841), (54, 375894), (81, 250596), (108, 187947), (162, 125298), (243, 83532), (324, 62649), (486, 41766), (729, 27844), (972, 20883), (1458, 13922), (2916, 6961)]