20189802028

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{809}}^1\times {\mathrm{51563}}^1$

素因数の和:52398

約数の個数: 36

約数和(自身を含む): 38884928040

約数和(自身を除く): 18695126012

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 809, 1618, 3236, 8899, 17798, 35596, 51563, 97889, 103126, 195778, 206252, 391556, 567193, 1134386, 2268772, 6239123, 12478246, 24956492, 41714467, 83428934, 166857868, 458859137, 917718274, 1835436548, 5047450507, 10094901014, 20189802028]

約数ペア:

[(1, 20189802028), (2, 10094901014), (4, 5047450507), (11, 1835436548), (22, 917718274), (44, 458859137), (121, 166857868), (242, 83428934), (484, 41714467), (809, 24956492), (1618, 12478246), (3236, 6239123), (8899, 2268772), (17798, 1134386), (35596, 567193), (51563, 391556), (97889, 206252), (103126, 195778)]