20699892

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 56216160

約数和(自身を除く): 35516268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 53, 57, 76, 106, 114, 159, 171, 212, 228, 318, 342, 477, 571, 636, 684, 954, 1007, 1142, 1713, 1908, 2014, 2284, 3021, 3426, 4028, 5139, 6042, 6852, 9063, 10278, 10849, 12084, 18126, 20556, 21698, 30263, 32547, 36252, 43396, 60526, 65094, 90789, 97641, 121052, 130188, 181578, 195282, 272367, 363156, 390564, 544734, 574997, 1089468, 1149994, 1724991, 2299988, 3449982, 5174973, 6899964, 10349946, 20699892]

約数ペア:

[(1, 20699892), (2, 10349946), (3, 6899964), (4, 5174973), (6, 3449982), (9, 2299988), (12, 1724991), (18, 1149994), (19, 1089468), (36, 574997), (38, 544734), (53, 390564), (57, 363156), (76, 272367), (106, 195282), (114, 181578), (159, 130188), (171, 121052), (212, 97641), (228, 90789), (318, 65094), (342, 60526), (477, 43396), (571, 36252), (636, 32547), (684, 30263), (954, 21698), (1007, 20556), (1142, 18126), (1713, 12084), (1908, 10849), (2014, 10278), (2284, 9063), (3021, 6852), (3426, 6042), (4028, 5139)]