20049960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23869}}^1$

素因数の和:23890

約数の個数: 64

約数和(自身を含む): 68745600

約数和(自身を除く): 48695640

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, 23869, 47738, 71607, 95476, 119345, 143214, 167083, 190952, 238690, 286428, 334166, 358035, 477380, 501249, 572856, 668332, 716070, 835415, 954760, 1002498, 1336664, 1432140, 1670830, 2004996, 2506245, 2864280, 3341660, 4009992, 5012490, 6683320, 10024980, 20049960]

約数ペア:

[(1, 20049960), (2, 10024980), (3, 6683320), (4, 5012490), (5, 4009992), (6, 3341660), (7, 2864280), (8, 2506245), (10, 2004996), (12, 1670830), (14, 1432140), (15, 1336664), (20, 1002498), (21, 954760), (24, 835415), (28, 716070), (30, 668332), (35, 572856), (40, 501249), (42, 477380), (56, 358035), (60, 334166), (70, 286428), (84, 238690), (105, 190952), (120, 167083), (140, 143214), (168, 119345), (210, 95476), (280, 71607), (420, 47738), (840, 23869)]