16953720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{20183}}^1$

素因数の和:20204

約数の個数: 64

約数和(自身を含む): 58129920

約数和(自身を除く): 41176200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 20183, 40366, 60549, 80732, 100915, 121098, 141281, 161464, 201830, 242196, 282562, 302745, 403660, 423843, 484392, 565124, 605490, 706405, 807320, 847686, 1130248, 1210980, 1412810, 1695372, 2119215, 2421960, 2825620, 3390744, 4238430, 5651240, 8476860, 16953720]

約数ペア:

[(1, 16953720), (2, 8476860), (3, 5651240), (4, 4238430), (5, 3390744), (6, 2825620), (7, 2421960), (8, 2119215), (10, 1695372), (12, 1412810), (14, 1210980), (15, 1130248), (20, 847686), (21, 807320), (24, 706405), (28, 605490), (30, 565124), (35, 484392), (40, 423843), (42, 403660), (56, 302745), (60, 282562), (70, 242196), (84, 201830), (105, 161464), (120, 141281), (140, 121098), (168, 100915), (210, 80732), (280, 60549), (420, 40366), (840, 20183)]