20358522

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:987

約数の個数: 48

約数和(自身を含む): 46743840

約数和(自身を除く): 26385318

約数列:

[1, 2, 3, 6, 9, 18, 29, 43, 58, 86, 87, 129, 174, 258, 261, 387, 522, 774, 907, 1247, 1814, 2494, 2721, 3741, 5442, 7482, 8163, 11223, 16326, 22446, 26303, 39001, 52606, 78002, 78909, 117003, 157818, 234006, 236727, 351009, 473454, 702018, 1131029, 2262058, 3393087, 6786174, 10179261, 20358522]

約数ペア:

[(1, 20358522), (2, 10179261), (3, 6786174), (6, 3393087), (9, 2262058), (18, 1131029), (29, 702018), (43, 473454), (58, 351009), (86, 236727), (87, 234006), (129, 157818), (174, 117003), (258, 78909), (261, 78002), (387, 52606), (522, 39001), (774, 26303), (907, 22446), (1247, 16326), (1814, 11223), (2494, 8163), (2721, 7482), (3741, 5442)]