20512976

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4019}}^1$

素因数の和:4067

約数の個数: 40

約数和(自身を含む): 44863200

約数和(自身を除く): 24350224

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 4019, 5104, 8038, 16076, 32152, 44209, 64304, 88418, 116551, 176836, 233102, 353672, 466204, 707344, 932408, 1282061, 1864816, 2564122, 5128244, 10256488, 20512976]

約数ペア:

[(1, 20512976), (2, 10256488), (4, 5128244), (8, 2564122), (11, 1864816), (16, 1282061), (22, 932408), (29, 707344), (44, 466204), (58, 353672), (88, 233102), (116, 176836), (176, 116551), (232, 88418), (319, 64304), (464, 44209), (638, 32152), (1276, 16076), (2552, 8038), (4019, 5104)]