20697948

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 55189680

約数和(自身を除く): 34491732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 41, 74, 82, 111, 123, 148, 164, 222, 246, 333, 369, 379, 444, 492, 666, 738, 758, 1137, 1332, 1476, 1516, 1517, 2274, 3034, 3411, 4548, 4551, 6068, 6822, 9102, 13644, 13653, 14023, 15539, 18204, 27306, 28046, 31078, 42069, 46617, 54612, 56092, 62156, 84138, 93234, 126207, 139851, 168276, 186468, 252414, 279702, 504828, 559404, 574943, 1149886, 1724829, 2299772, 3449658, 5174487, 6899316, 10348974, 20697948]

約数ペア:

[(1, 20697948), (2, 10348974), (3, 6899316), (4, 5174487), (6, 3449658), (9, 2299772), (12, 1724829), (18, 1149886), (36, 574943), (37, 559404), (41, 504828), (74, 279702), (82, 252414), (111, 186468), (123, 168276), (148, 139851), (164, 126207), (222, 93234), (246, 84138), (333, 62156), (369, 56092), (379, 54612), (444, 46617), (492, 42069), (666, 31078), (738, 28046), (758, 27306), (1137, 18204), (1332, 15539), (1476, 14023), (1516, 13653), (1517, 13644), (2274, 9102), (3034, 6822), (3411, 6068), (4548, 4551)]