20209448

素因数分解:

$2^3\times 7^1\times {\mathrm{563}}^1\times {\mathrm{641}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 43450560

約数和(自身を除く): 23241112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 563, 641, 1126, 1282, 2252, 2564, 3941, 4487, 4504, 5128, 7882, 8974, 15764, 17948, 31528, 35896, 360883, 721766, 1443532, 2526181, 2887064, 5052362, 10104724, 20209448]

約数ペア:

[(1, 20209448), (2, 10104724), (4, 5052362), (7, 2887064), (8, 2526181), (14, 1443532), (28, 721766), (56, 360883), (563, 35896), (641, 31528), (1126, 17948), (1282, 15764), (2252, 8974), (2564, 7882), (3941, 5128), (4487, 4504)]