20776360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2053}}^1$

素因数の和:2098

約数の個数: 64

約数和(自身を含む): 53239680

約数和(自身を除く): 32463320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 184, 220, 230, 253, 440, 460, 506, 920, 1012, 1265, 2024, 2053, 2530, 4106, 5060, 8212, 10120, 10265, 16424, 20530, 22583, 41060, 45166, 47219, 82120, 90332, 94438, 112915, 180664, 188876, 225830, 236095, 377752, 451660, 472190, 519409, 903320, 944380, 1038818, 1888760, 2077636, 2597045, 4155272, 5194090, 10388180, 20776360]

約数ペア:

[(1, 20776360), (2, 10388180), (4, 5194090), (5, 4155272), (8, 2597045), (10, 2077636), (11, 1888760), (20, 1038818), (22, 944380), (23, 903320), (40, 519409), (44, 472190), (46, 451660), (55, 377752), (88, 236095), (92, 225830), (110, 188876), (115, 180664), (184, 112915), (220, 94438), (230, 90332), (253, 82120), (440, 47219), (460, 45166), (506, 41060), (920, 22583), (1012, 20530), (1265, 16424), (2024, 10265), (2053, 10120), (2530, 8212), (4106, 5060)]