20563972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35951}}^1$

素因数の和:35979

約数の個数: 24

約数和(自身を含む): 42279552

約数和(自身を除く): 21715580

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35951, 71902, 143804, 395461, 467363, 790922, 934726, 1581844, 1869452, 5140993, 10281986, 20563972]

約数ペア:

[(1, 20563972), (2, 10281986), (4, 5140993), (11, 1869452), (13, 1581844), (22, 934726), (26, 790922), (44, 467363), (52, 395461), (143, 143804), (286, 71902), (572, 35951)]