20191656

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{433}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 53121600

約数和(自身を除く): 32929944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 67, 87, 116, 134, 174, 201, 232, 268, 348, 402, 433, 536, 696, 804, 866, 1299, 1608, 1732, 1943, 2598, 3464, 3886, 5196, 5829, 7772, 10392, 11658, 12557, 15544, 23316, 25114, 29011, 37671, 46632, 50228, 58022, 75342, 87033, 100456, 116044, 150684, 174066, 232088, 301368, 348132, 696264, 841319, 1682638, 2523957, 3365276, 5047914, 6730552, 10095828, 20191656]

約数ペア:

[(1, 20191656), (2, 10095828), (3, 6730552), (4, 5047914), (6, 3365276), (8, 2523957), (12, 1682638), (24, 841319), (29, 696264), (58, 348132), (67, 301368), (87, 232088), (116, 174066), (134, 150684), (174, 116044), (201, 100456), (232, 87033), (268, 75342), (348, 58022), (402, 50228), (433, 46632), (536, 37671), (696, 29011), (804, 25114), (866, 23316), (1299, 15544), (1608, 12557), (1732, 11658), (1943, 10392), (2598, 7772), (3464, 5829), (3886, 5196)]