20195552

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1129}}^1$

素因数の和:1195

約数の個数: 48

約数和(自身を含む): 43853040

約数和(自身を除く): 23657488

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1129, 1376, 2236, 2258, 4472, 4516, 8944, 9032, 14677, 17888, 18064, 29354, 36128, 48547, 58708, 97094, 117416, 194188, 234832, 388376, 469664, 631111, 776752, 1262222, 1553504, 2524444, 5048888, 10097776, 20195552]

約数ペア:

[(1, 20195552), (2, 10097776), (4, 5048888), (8, 2524444), (13, 1553504), (16, 1262222), (26, 776752), (32, 631111), (43, 469664), (52, 388376), (86, 234832), (104, 194188), (172, 117416), (208, 97094), (344, 58708), (416, 48547), (559, 36128), (688, 29354), (1118, 18064), (1129, 17888), (1376, 14677), (2236, 9032), (2258, 8944), (4472, 4516)]