20189562368

素因数分解:

$2^9\times {\mathrm{509}}^1\times {\mathrm{77471}}^1$

素因数の和:77998

約数の個数: 40

約数和(自身を含む): 40419466560

約数和(自身を除く): 20229904192

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 509, 512, 1018, 2036, 4072, 8144, 16288, 32576, 65152, 77471, 130304, 154942, 260608, 309884, 619768, 1239536, 2479072, 4958144, 9916288, 19832576, 39432739, 39665152, 78865478, 157730956, 315461912, 630923824, 1261847648, 2523695296, 5047390592, 10094781184, 20189562368]

約数ペア:

[(1, 20189562368), (2, 10094781184), (4, 5047390592), (8, 2523695296), (16, 1261847648), (32, 630923824), (64, 315461912), (128, 157730956), (256, 78865478), (509, 39665152), (512, 39432739), (1018, 19832576), (2036, 9916288), (4072, 4958144), (8144, 2479072), (16288, 1239536), (32576, 619768), (65152, 309884), (77471, 260608), (130304, 154942)]