20338092

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 53333280

約数和(自身を除く): 32995188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 73, 109, 142, 146, 213, 218, 219, 284, 292, 327, 426, 436, 438, 639, 654, 657, 852, 876, 981, 1278, 1308, 1314, 1962, 2556, 2628, 3924, 5183, 7739, 7957, 10366, 15478, 15549, 15914, 20732, 23217, 23871, 30956, 31098, 31828, 46434, 46647, 47742, 62196, 69651, 71613, 92868, 93294, 95484, 139302, 143226, 186588, 278604, 286452, 564947, 1129894, 1694841, 2259788, 3389682, 5084523, 6779364, 10169046, 20338092]

約数ペア:

[(1, 20338092), (2, 10169046), (3, 6779364), (4, 5084523), (6, 3389682), (9, 2259788), (12, 1694841), (18, 1129894), (36, 564947), (71, 286452), (73, 278604), (109, 186588), (142, 143226), (146, 139302), (213, 95484), (218, 93294), (219, 92868), (284, 71613), (292, 69651), (327, 62196), (426, 47742), (436, 46647), (438, 46434), (639, 31828), (654, 31098), (657, 30956), (852, 23871), (876, 23217), (981, 20732), (1278, 15914), (1308, 15549), (1314, 15478), (1962, 10366), (2556, 7957), (2628, 7739), (3924, 5183)]