20166076

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 41803776

約数和(自身を除く): 21637700

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 107, 127, 212, 214, 254, 371, 428, 508, 742, 749, 889, 1484, 1498, 1778, 2996, 3556, 5671, 6731, 11342, 13462, 13589, 22684, 26924, 27178, 39697, 47117, 54356, 79394, 94234, 95123, 158788, 188468, 190246, 380492, 720217, 1440434, 2880868, 5041519, 10083038, 20166076]

約数ペア:

[(1, 20166076), (2, 10083038), (4, 5041519), (7, 2880868), (14, 1440434), (28, 720217), (53, 380492), (106, 190246), (107, 188468), (127, 158788), (212, 95123), (214, 94234), (254, 79394), (371, 54356), (428, 47117), (508, 39697), (742, 27178), (749, 26924), (889, 22684), (1484, 13589), (1498, 13462), (1778, 11342), (2996, 6731), (3556, 5671)]