20315578

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 34183296

約数和(自身を除く): 13867718

約数列:

[1, 2, 17, 23, 34, 46, 83, 166, 313, 391, 626, 782, 1411, 1909, 2822, 3818, 5321, 7199, 10642, 14398, 25979, 32453, 51958, 64906, 122383, 244766, 441643, 597517, 883286, 1195034, 10157789, 20315578]

約数ペア:

[(1, 20315578), (2, 10157789), (17, 1195034), (23, 883286), (34, 597517), (46, 441643), (83, 244766), (166, 122383), (313, 64906), (391, 51958), (626, 32453), (782, 25979), (1411, 14398), (1909, 10642), (2822, 7199), (3818, 5321)]