20121228304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2927}}^1\times {\mathrm{22613}}^1$

素因数の和:25567

約数の個数: 40

約数和(自身を含む): 41052551040

約数和(自身を除く): 20931322736

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2927, 5854, 11708, 22613, 23416, 45226, 46832, 55613, 90452, 111226, 180904, 222452, 361808, 429647, 444904, 859294, 889808, 1718588, 3437176, 6874352, 66188251, 132376502, 264753004, 529506008, 1059012016, 1257576769, 2515153538, 5030307076, 10060614152, 20121228304]

約数ペア:

[(1, 20121228304), (2, 10060614152), (4, 5030307076), (8, 2515153538), (16, 1257576769), (19, 1059012016), (38, 529506008), (76, 264753004), (152, 132376502), (304, 66188251), (2927, 6874352), (5854, 3437176), (11708, 1718588), (22613, 889808), (23416, 859294), (45226, 444904), (46832, 429647), (55613, 361808), (90452, 222452), (111226, 180904)]