16901720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 41990400

約数和(自身を除く): 25088680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 359, 428, 440, 535, 718, 856, 1070, 1177, 1436, 1795, 2140, 2354, 2872, 3590, 3949, 4280, 4708, 5885, 7180, 7898, 9416, 11770, 14360, 15796, 19745, 23540, 31592, 38413, 39490, 47080, 76826, 78980, 153652, 157960, 192065, 307304, 384130, 422543, 768260, 845086, 1536520, 1690172, 2112715, 3380344, 4225430, 8450860, 16901720]

約数ペア:

[(1, 16901720), (2, 8450860), (4, 4225430), (5, 3380344), (8, 2112715), (10, 1690172), (11, 1536520), (20, 845086), (22, 768260), (40, 422543), (44, 384130), (55, 307304), (88, 192065), (107, 157960), (110, 153652), (214, 78980), (220, 76826), (359, 47080), (428, 39490), (440, 38413), (535, 31592), (718, 23540), (856, 19745), (1070, 15796), (1177, 14360), (1436, 11770), (1795, 9416), (2140, 7898), (2354, 7180), (2872, 5885), (3590, 4708), (3949, 4280)]