16866920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1021}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 44150400

約数和(自身を除く): 27283480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1021, 1180, 1652, 2042, 2065, 2360, 3304, 4084, 4130, 5105, 7147, 8168, 8260, 10210, 14294, 16520, 20420, 28588, 35735, 40840, 57176, 60239, 71470, 120478, 142940, 240956, 285880, 301195, 421673, 481912, 602390, 843346, 1204780, 1686692, 2108365, 2409560, 3373384, 4216730, 8433460, 16866920]

約数ペア:

[(1, 16866920), (2, 8433460), (4, 4216730), (5, 3373384), (7, 2409560), (8, 2108365), (10, 1686692), (14, 1204780), (20, 843346), (28, 602390), (35, 481912), (40, 421673), (56, 301195), (59, 285880), (70, 240956), (118, 142940), (140, 120478), (236, 71470), (280, 60239), (295, 57176), (413, 40840), (472, 35735), (590, 28588), (826, 20420), (1021, 16520), (1180, 14294), (1652, 10210), (2042, 8260), (2065, 8168), (2360, 7147), (3304, 5105), (4084, 4130)]