20297640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15377}}^1$

素因数の和:15402

約数の個数: 64

約数和(自身を含む): 66432960

約数和(自身を除く): 46135320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15377, 30754, 46131, 61508, 76885, 92262, 123016, 153770, 169147, 184524, 230655, 307540, 338294, 369048, 461310, 507441, 615080, 676588, 845735, 922620, 1014882, 1353176, 1691470, 1845240, 2029764, 2537205, 3382940, 4059528, 5074410, 6765880, 10148820, 20297640]

約数ペア:

[(1, 20297640), (2, 10148820), (3, 6765880), (4, 5074410), (5, 4059528), (6, 3382940), (8, 2537205), (10, 2029764), (11, 1845240), (12, 1691470), (15, 1353176), (20, 1014882), (22, 922620), (24, 845735), (30, 676588), (33, 615080), (40, 507441), (44, 461310), (55, 369048), (60, 338294), (66, 307540), (88, 230655), (110, 184524), (120, 169147), (132, 153770), (165, 123016), (220, 92262), (264, 76885), (330, 61508), (440, 46131), (660, 30754), (1320, 15377)]