20895546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 50577408

約数和(自身を除く): 29681862

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 97, 138, 161, 194, 223, 291, 322, 446, 483, 582, 669, 679, 966, 1338, 1358, 1561, 2037, 2231, 3122, 4074, 4462, 4683, 5129, 6693, 9366, 10258, 13386, 15387, 15617, 21631, 30774, 31234, 35903, 43262, 46851, 64893, 71806, 93702, 107709, 129786, 151417, 215418, 302834, 454251, 497513, 908502, 995026, 1492539, 2985078, 3482591, 6965182, 10447773, 20895546]

約数ペア:

[(1, 20895546), (2, 10447773), (3, 6965182), (6, 3482591), (7, 2985078), (14, 1492539), (21, 995026), (23, 908502), (42, 497513), (46, 454251), (69, 302834), (97, 215418), (138, 151417), (161, 129786), (194, 107709), (223, 93702), (291, 71806), (322, 64893), (446, 46851), (483, 43262), (582, 35903), (669, 31234), (679, 30774), (966, 21631), (1338, 15617), (1358, 15387), (1561, 13386), (2037, 10258), (2231, 9366), (3122, 6693), (4074, 5129), (4462, 4683)]