20657784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{122963}}^1$

素因数の和:122979

約数の個数: 32

約数和(自身を含む): 59022720

約数和(自身を除く): 38364936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 122963, 245926, 368889, 491852, 737778, 860741, 983704, 1475556, 1721482, 2582223, 2951112, 3442964, 5164446, 6885928, 10328892, 20657784]

約数ペア:

[(1, 20657784), (2, 10328892), (3, 6885928), (4, 5164446), (6, 3442964), (7, 2951112), (8, 2582223), (12, 1721482), (14, 1475556), (21, 983704), (24, 860741), (28, 737778), (42, 491852), (56, 368889), (84, 245926), (168, 122963)]