20261638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8741}}^1$

素因数の和:8823

約数の個数: 16

約数和(自身を含む): 32520240

約数和(自身を除く): 12258602

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8741, 17482, 166079, 332158, 533201, 1066402, 10130819, 20261638]

約数ペア:

[(1, 20261638), (2, 10130819), (19, 1066402), (38, 533201), (61, 332158), (122, 166079), (1159, 17482), (2318, 8741)]