20724516

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 56565600

約数和(自身を除く): 35841084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 164, 171, 228, 246, 342, 369, 492, 684, 738, 739, 779, 1476, 1478, 1558, 2217, 2337, 2956, 3116, 4434, 4674, 6651, 7011, 8868, 9348, 13302, 14022, 14041, 26604, 28044, 28082, 30299, 42123, 56164, 60598, 84246, 90897, 121196, 126369, 168492, 181794, 252738, 272691, 363588, 505476, 545382, 575681, 1090764, 1151362, 1727043, 2302724, 3454086, 5181129, 6908172, 10362258, 20724516]

約数ペア:

[(1, 20724516), (2, 10362258), (3, 6908172), (4, 5181129), (6, 3454086), (9, 2302724), (12, 1727043), (18, 1151362), (19, 1090764), (36, 575681), (38, 545382), (41, 505476), (57, 363588), (76, 272691), (82, 252738), (114, 181794), (123, 168492), (164, 126369), (171, 121196), (228, 90897), (246, 84246), (342, 60598), (369, 56164), (492, 42123), (684, 30299), (738, 28082), (739, 28044), (779, 26604), (1476, 14041), (1478, 14022), (1558, 13302), (2217, 9348), (2337, 8868), (2956, 7011), (3116, 6651), (4434, 4674)]