20184340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3989}}^1$

素因数の和:4032

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 28078700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 3989, 5060, 7978, 15956, 19945, 39890, 43879, 79780, 87758, 91747, 175516, 183494, 219395, 366988, 438790, 458735, 877580, 917470, 1009217, 1834940, 2018434, 4036868, 5046085, 10092170, 20184340]

約数ペア:

[(1, 20184340), (2, 10092170), (4, 5046085), (5, 4036868), (10, 2018434), (11, 1834940), (20, 1009217), (22, 917470), (23, 877580), (44, 458735), (46, 438790), (55, 366988), (92, 219395), (110, 183494), (115, 175516), (220, 91747), (230, 87758), (253, 79780), (460, 43879), (506, 39890), (1012, 19945), (1265, 15956), (2530, 7978), (3989, 5060)]