20121746491

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{59029}}^1$

素因数の和:59299

約数の個数: 32

約数和(自身を含む): 26520998400

約数和(自身を除く): 6399251909

約数列:

[1, 7, 11, 19, 77, 133, 209, 233, 1463, 1631, 2563, 4427, 17941, 30989, 48697, 59029, 340879, 413203, 649319, 1121551, 4545233, 7850857, 12337061, 13753757, 86359427, 96276299, 151291327, 261321383, 1059039289, 1829249681, 2874535213, 20121746491]

約数ペア:

[(1, 20121746491), (7, 2874535213), (11, 1829249681), (19, 1059039289), (77, 261321383), (133, 151291327), (209, 96276299), (233, 86359427), (1463, 13753757), (1631, 12337061), (2563, 7850857), (4427, 4545233), (17941, 1121551), (30989, 649319), (48697, 413203), (59029, 340879)]