20337020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{953}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 47119968

約数和(自身を除く): 26782948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 953, 970, 1067, 1906, 1940, 2134, 3812, 4268, 4765, 5335, 9530, 10483, 10670, 19060, 20966, 21340, 41932, 52415, 92441, 104830, 184882, 209660, 369764, 462205, 924410, 1016851, 1848820, 2033702, 4067404, 5084255, 10168510, 20337020]

約数ペア:

[(1, 20337020), (2, 10168510), (4, 5084255), (5, 4067404), (10, 2033702), (11, 1848820), (20, 1016851), (22, 924410), (44, 462205), (55, 369764), (97, 209660), (110, 184882), (194, 104830), (220, 92441), (388, 52415), (485, 41932), (953, 21340), (970, 20966), (1067, 19060), (1906, 10670), (1940, 10483), (2134, 9530), (3812, 5335), (4268, 4765)]