16805460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40013}}^1$

素因数の和:40032

約数の個数: 48

約数和(自身を含む): 53778816

約数和(自身を除く): 36973356

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 40013, 80026, 120039, 160052, 200065, 240078, 280091, 400130, 480156, 560182, 600195, 800260, 840273, 1120364, 1200390, 1400455, 1680546, 2400780, 2800910, 3361092, 4201365, 5601820, 8402730, 16805460]

約数ペア:

[(1, 16805460), (2, 8402730), (3, 5601820), (4, 4201365), (5, 3361092), (6, 2800910), (7, 2400780), (10, 1680546), (12, 1400455), (14, 1200390), (15, 1120364), (20, 840273), (21, 800260), (28, 600195), (30, 560182), (35, 480156), (42, 400130), (60, 280091), (70, 240078), (84, 200065), (105, 160052), (140, 120039), (210, 80026), (420, 40013)]