20649354

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 47996928

約数和(自身を除く): 27347574

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 61, 66, 69, 122, 138, 183, 223, 253, 366, 446, 506, 669, 671, 759, 1338, 1342, 1403, 1518, 2013, 2453, 2806, 4026, 4209, 4906, 5129, 7359, 8418, 10258, 13603, 14718, 15387, 15433, 27206, 30774, 30866, 40809, 46299, 56419, 81618, 92598, 112838, 149633, 169257, 299266, 312869, 338514, 448899, 625738, 897798, 938607, 1877214, 3441559, 6883118, 10324677, 20649354]

約数ペア:

[(1, 20649354), (2, 10324677), (3, 6883118), (6, 3441559), (11, 1877214), (22, 938607), (23, 897798), (33, 625738), (46, 448899), (61, 338514), (66, 312869), (69, 299266), (122, 169257), (138, 149633), (183, 112838), (223, 92598), (253, 81618), (366, 56419), (446, 46299), (506, 40809), (669, 30866), (671, 30774), (759, 27206), (1338, 15433), (1342, 15387), (1403, 14718), (1518, 13603), (2013, 10258), (2453, 8418), (2806, 7359), (4026, 5129), (4209, 4906)]