20539638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 55351296

約数和(自身を除く): 34811658

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 43, 51, 63, 86, 102, 119, 126, 129, 153, 223, 238, 258, 301, 306, 357, 387, 446, 602, 669, 714, 731, 774, 903, 1071, 1338, 1462, 1561, 1806, 2007, 2142, 2193, 2709, 3122, 3791, 4014, 4386, 4683, 5117, 5418, 6579, 7582, 9366, 9589, 10234, 11373, 13158, 14049, 15351, 19178, 22746, 26537, 28098, 28767, 30702, 34119, 46053, 53074, 57534, 67123, 68238, 79611, 86301, 92106, 134246, 159222, 163013, 172602, 201369, 238833, 326026, 402738, 477666, 489039, 604107, 978078, 1141091, 1208214, 1467117, 2282182, 2934234, 3423273, 6846546, 10269819, 20539638]

約数ペア:

[(1, 20539638), (2, 10269819), (3, 6846546), (6, 3423273), (7, 2934234), (9, 2282182), (14, 1467117), (17, 1208214), (18, 1141091), (21, 978078), (34, 604107), (42, 489039), (43, 477666), (51, 402738), (63, 326026), (86, 238833), (102, 201369), (119, 172602), (126, 163013), (129, 159222), (153, 134246), (223, 92106), (238, 86301), (258, 79611), (301, 68238), (306, 67123), (357, 57534), (387, 53074), (446, 46053), (602, 34119), (669, 30702), (714, 28767), (731, 28098), (774, 26537), (903, 22746), (1071, 19178), (1338, 15351), (1462, 14049), (1561, 13158), (1806, 11373), (2007, 10234), (2142, 9589), (2193, 9366), (2709, 7582), (3122, 6579), (3791, 5418), (4014, 5117), (4386, 4683)]