201979220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{104113}}^1$

素因数の和:104219

約数の個数: 24

約数和(自身を含む): 428533224

約数和(自身を除く): 226554004

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 104113, 208226, 416452, 520565, 1041130, 2082260, 10098961, 20197922, 40395844, 50494805, 100989610, 201979220]

約数ペア:

[(1, 201979220), (2, 100989610), (4, 50494805), (5, 40395844), (10, 20197922), (20, 10098961), (97, 2082260), (194, 1041130), (388, 520565), (485, 416452), (970, 208226), (1940, 104113)]