16803780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40009}}^1$

素因数の和:40028

約数の個数: 48

約数和(自身を含む): 53773440

約数和(自身を除く): 36969660

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, 40009, 80018, 120027, 160036, 200045, 240054, 280063, 400090, 480108, 560126, 600135, 800180, 840189, 1120252, 1200270, 1400315, 1680378, 2400540, 2800630, 3360756, 4200945, 5601260, 8401890, 16803780]

約数ペア:

[(1, 16803780), (2, 8401890), (3, 5601260), (4, 4200945), (5, 3360756), (6, 2800630), (7, 2400540), (10, 1680378), (12, 1400315), (14, 1200270), (15, 1120252), (20, 840189), (21, 800180), (28, 600135), (30, 560126), (35, 480108), (42, 400090), (60, 280063), (70, 240054), (84, 200045), (105, 160036), (140, 120027), (210, 80018), (420, 40009)]