20971192

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1427}}^1$

素因数の和:1611

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 22211528

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 167, 334, 668, 1336, 1427, 1837, 2854, 3674, 5708, 7348, 11416, 14696, 15697, 31394, 62788, 125576, 238309, 476618, 953236, 1906472, 2621399, 5242798, 10485596, 20971192]

約数ペア:

[(1, 20971192), (2, 10485596), (4, 5242798), (8, 2621399), (11, 1906472), (22, 953236), (44, 476618), (88, 238309), (167, 125576), (334, 62788), (668, 31394), (1336, 15697), (1427, 14696), (1837, 11416), (2854, 7348), (3674, 5708)]