20195600768

素因数分解:

$2^7\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{20071}}^1$

素因数の和:21215

約数の個数: 64

約数和(自身を含む): 46024293120

約数和(自身を除く): 25828692352

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 1123, 2246, 4492, 7861, 8984, 15722, 17968, 20071, 31444, 35936, 40142, 62888, 71872, 80284, 125776, 140497, 143744, 160568, 251552, 280994, 321136, 503104, 561988, 642272, 1006208, 1123976, 1284544, 2247952, 2569088, 4495904, 8991808, 17983616, 22539733, 45079466, 90158932, 157778131, 180317864, 315556262, 360635728, 631112524, 721271456, 1262225048, 1442542912, 2524450096, 2885085824, 5048900192, 10097800384, 20195600768]

約数ペア:

[(1, 20195600768), (2, 10097800384), (4, 5048900192), (7, 2885085824), (8, 2524450096), (14, 1442542912), (16, 1262225048), (28, 721271456), (32, 631112524), (56, 360635728), (64, 315556262), (112, 180317864), (128, 157778131), (224, 90158932), (448, 45079466), (896, 22539733), (1123, 17983616), (2246, 8991808), (4492, 4495904), (7861, 2569088), (8984, 2247952), (15722, 1284544), (17968, 1123976), (20071, 1006208), (31444, 642272), (35936, 561988), (40142, 503104), (62888, 321136), (71872, 280994), (80284, 251552), (125776, 160568), (140497, 143744)]