20179786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2099}}^1$

素因数の和:2154

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 16108214

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 2099, 4198, 4807, 9614, 23089, 39881, 46178, 48277, 79762, 96554, 438691, 531047, 877382, 917263, 1062094, 1834526, 10089893, 20179786]

約数ペア:

[(1, 20179786), (2, 10089893), (11, 1834526), (19, 1062094), (22, 917263), (23, 877382), (38, 531047), (46, 438691), (209, 96554), (253, 79762), (418, 48277), (437, 46178), (506, 39881), (874, 23089), (2099, 9614), (4198, 4807)]