20285844

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{461}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 50191680

約数和(自身を除く): 29905836

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 193, 228, 386, 461, 579, 772, 922, 1158, 1383, 1844, 2316, 2766, 3667, 5532, 7334, 8759, 11001, 14668, 17518, 22002, 26277, 35036, 44004, 52554, 88973, 105108, 177946, 266919, 355892, 533838, 1067676, 1690487, 3380974, 5071461, 6761948, 10142922, 20285844]

約数ペア:

[(1, 20285844), (2, 10142922), (3, 6761948), (4, 5071461), (6, 3380974), (12, 1690487), (19, 1067676), (38, 533838), (57, 355892), (76, 266919), (114, 177946), (193, 105108), (228, 88973), (386, 52554), (461, 44004), (579, 35036), (772, 26277), (922, 22002), (1158, 17518), (1383, 14668), (1844, 11001), (2316, 8759), (2766, 7334), (3667, 5532)]