20574976

素因数分解:

$2^8\times {\mathrm{179}}^1\times {\mathrm{449}}^1$

素因数の和:644

約数の個数: 36

約数和(自身を含む): 41391000

約数和(自身を除く): 20816024

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 179, 256, 358, 449, 716, 898, 1432, 1796, 2864, 3592, 5728, 7184, 11456, 14368, 22912, 28736, 45824, 57472, 80371, 114944, 160742, 321484, 642968, 1285936, 2571872, 5143744, 10287488, 20574976]

約数ペア:

[(1, 20574976), (2, 10287488), (4, 5143744), (8, 2571872), (16, 1285936), (32, 642968), (64, 321484), (128, 160742), (179, 114944), (256, 80371), (358, 57472), (449, 45824), (716, 28736), (898, 22912), (1432, 14368), (1796, 11456), (2864, 7184), (3592, 5728)]