20391409664

素因数分解:

$2^{11}\times {\mathrm{2221}}^1\times {\mathrm{4483}}^1$

素因数の和:6726

約数の個数: 48

約数和(自身を含む): 40800319560

約数和(自身を除く): 20408909896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 2221, 4442, 4483, 8884, 8966, 17768, 17932, 35536, 35864, 71072, 71728, 142144, 143456, 284288, 286912, 568576, 573824, 1137152, 1147648, 2274304, 2295296, 4548608, 4590592, 9181184, 9956743, 19913486, 39826972, 79653944, 159307888, 318615776, 637231552, 1274463104, 2548926208, 5097852416, 10195704832, 20391409664]

約数ペア:

[(1, 20391409664), (2, 10195704832), (4, 5097852416), (8, 2548926208), (16, 1274463104), (32, 637231552), (64, 318615776), (128, 159307888), (256, 79653944), (512, 39826972), (1024, 19913486), (2048, 9956743), (2221, 9181184), (4442, 4590592), (4483, 4548608), (8884, 2295296), (8966, 2274304), (17768, 1147648), (17932, 1137152), (35536, 573824), (35864, 568576), (71072, 286912), (71728, 284288), (142144, 143456)]