20224496

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 20487184

約数列:

[1, 2, 4, 8, 16, 37, 74, 127, 148, 254, 269, 296, 508, 538, 592, 1016, 1076, 2032, 2152, 4304, 4699, 9398, 9953, 18796, 19906, 34163, 37592, 39812, 68326, 75184, 79624, 136652, 159248, 273304, 546608, 1264031, 2528062, 5056124, 10112248, 20224496]

約数ペア:

[(1, 20224496), (2, 10112248), (4, 5056124), (8, 2528062), (16, 1264031), (37, 546608), (74, 273304), (127, 159248), (148, 136652), (254, 79624), (269, 75184), (296, 68326), (508, 39812), (538, 37592), (592, 34163), (1016, 19906), (1076, 18796), (2032, 9953), (2152, 9398), (4304, 4699)]