20746494

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:625

約数の個数: 48

約数和(自身を含む): 48016800

約数和(自身を除く): 27270306

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 151, 153, 302, 306, 449, 453, 898, 906, 1347, 1359, 2567, 2694, 2718, 4041, 5134, 7633, 7701, 8082, 15266, 15402, 22899, 23103, 45798, 46206, 67799, 68697, 135598, 137394, 203397, 406794, 610191, 1152583, 1220382, 2305166, 3457749, 6915498, 10373247, 20746494]

約数ペア:

[(1, 20746494), (2, 10373247), (3, 6915498), (6, 3457749), (9, 2305166), (17, 1220382), (18, 1152583), (34, 610191), (51, 406794), (102, 203397), (151, 137394), (153, 135598), (302, 68697), (306, 67799), (449, 46206), (453, 45798), (898, 23103), (906, 22899), (1347, 15402), (1359, 15266), (2567, 8082), (2694, 7701), (2718, 7633), (4041, 5134)]