20846012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 45042480

約数和(自身を除く): 24196468

約数列:

[1, 2, 4, 11, 17, 22, 29, 31, 34, 44, 58, 62, 68, 116, 124, 187, 319, 341, 374, 493, 527, 638, 682, 748, 899, 961, 986, 1054, 1276, 1364, 1798, 1922, 1972, 2108, 3596, 3844, 5423, 5797, 9889, 10571, 10846, 11594, 15283, 16337, 19778, 21142, 21692, 23188, 27869, 30566, 32674, 39556, 42284, 55738, 61132, 65348, 111476, 168113, 179707, 306559, 336226, 359414, 473773, 613118, 672452, 718828, 947546, 1226236, 1895092, 5211503, 10423006, 20846012]

約数ペア:

[(1, 20846012), (2, 10423006), (4, 5211503), (11, 1895092), (17, 1226236), (22, 947546), (29, 718828), (31, 672452), (34, 613118), (44, 473773), (58, 359414), (62, 336226), (68, 306559), (116, 179707), (124, 168113), (187, 111476), (319, 65348), (341, 61132), (374, 55738), (493, 42284), (527, 39556), (638, 32674), (682, 30566), (748, 27869), (899, 23188), (961, 21692), (986, 21142), (1054, 19778), (1276, 16337), (1364, 15283), (1798, 11594), (1922, 10846), (1972, 10571), (2108, 9889), (3596, 5797), (3844, 5423)]