20722128

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61673}}^1$

素因数の和:61691

約数の個数: 40

約数和(自身を含む): 61180608

約数和(自身を除く): 40458480

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61673, 123346, 185019, 246692, 370038, 431711, 493384, 740076, 863422, 986768, 1295133, 1480152, 1726844, 2590266, 2960304, 3453688, 5180532, 6907376, 10361064, 20722128]

約数ペア:

[(1, 20722128), (2, 10361064), (3, 6907376), (4, 5180532), (6, 3453688), (7, 2960304), (8, 2590266), (12, 1726844), (14, 1480152), (16, 1295133), (21, 986768), (24, 863422), (28, 740076), (42, 493384), (48, 431711), (56, 370038), (84, 246692), (112, 185019), (168, 123346), (336, 61673)]