20425636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 48771072

約数和(自身を除く): 28345436

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 47, 68, 77, 83, 94, 119, 154, 166, 187, 188, 238, 308, 329, 332, 374, 476, 517, 581, 658, 748, 799, 913, 1034, 1162, 1309, 1316, 1411, 1598, 1826, 2068, 2324, 2618, 2822, 3196, 3619, 3652, 3901, 5236, 5593, 5644, 6391, 7238, 7802, 8789, 9877, 11186, 12782, 14476, 15521, 15604, 17578, 19754, 22372, 25564, 27307, 31042, 35156, 39508, 42911, 54614, 61523, 62084, 66317, 85822, 108647, 109228, 123046, 132634, 171644, 217294, 246092, 265268, 300377, 434588, 464219, 600754, 729487, 928438, 1201508, 1458974, 1856876, 2917948, 5106409, 10212818, 20425636]

約数ペア:

[(1, 20425636), (2, 10212818), (4, 5106409), (7, 2917948), (11, 1856876), (14, 1458974), (17, 1201508), (22, 928438), (28, 729487), (34, 600754), (44, 464219), (47, 434588), (68, 300377), (77, 265268), (83, 246092), (94, 217294), (119, 171644), (154, 132634), (166, 123046), (187, 109228), (188, 108647), (238, 85822), (308, 66317), (329, 62084), (332, 61523), (374, 54614), (476, 42911), (517, 39508), (581, 35156), (658, 31042), (748, 27307), (799, 25564), (913, 22372), (1034, 19754), (1162, 17578), (1309, 15604), (1316, 15521), (1411, 14476), (1598, 12782), (1826, 11186), (2068, 9877), (2324, 8789), (2618, 7802), (2822, 7238), (3196, 6391), (3619, 5644), (3652, 5593), (3901, 5236)]