20077688

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 38523600

約数和(自身を除く): 18445912

約数列:

[1, 2, 4, 8, 89, 163, 173, 178, 326, 346, 356, 652, 692, 712, 1304, 1384, 14507, 15397, 28199, 29014, 30794, 56398, 58028, 61588, 112796, 116056, 123176, 225592, 2509711, 5019422, 10038844, 20077688]

約数ペア:

[(1, 20077688), (2, 10038844), (4, 5019422), (8, 2509711), (89, 225592), (163, 123176), (173, 116056), (178, 112796), (326, 61588), (346, 58028), (356, 56398), (652, 30794), (692, 29014), (712, 28199), (1304, 15397), (1384, 14507)]