20509108177

素因数分解:

${\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1\times {\mathrm{557}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 21801104640

約数和(自身を除く): 1291996463

約数列:

[1, 37, 59, 101, 167, 557, 2183, 3737, 5959, 6179, 9853, 16867, 20609, 32863, 56257, 93019, 220483, 364561, 624079, 995153, 1215931, 2081509, 3319163, 3441703, 5488121, 9394919, 36820661, 122809031, 203060477, 347612003, 554300221, 20509108177]

約数ペア:

[(1, 20509108177), (37, 554300221), (59, 347612003), (101, 203060477), (167, 122809031), (557, 36820661), (2183, 9394919), (3737, 5488121), (5959, 3441703), (6179, 3319163), (9853, 2081509), (16867, 1215931), (20609, 995153), (32863, 624079), (56257, 364561), (93019, 220483)]