20121003040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6618751}}^1$

素因数の和:6618785

約数の個数: 48

約数和(自身を含む): 50037765120

約数和(自身を除く): 29916762080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 6618751, 13237502, 26475004, 33093755, 52950008, 66187510, 105900016, 125756269, 132375020, 211800032, 251512538, 264750040, 503025076, 529500080, 628781345, 1006050152, 1059000160, 1257562690, 2012100304, 2515125380, 4024200608, 5030250760, 10060501520, 20121003040]

約数ペア:

[(1, 20121003040), (2, 10060501520), (4, 5030250760), (5, 4024200608), (8, 2515125380), (10, 2012100304), (16, 1257562690), (19, 1059000160), (20, 1006050152), (32, 628781345), (38, 529500080), (40, 503025076), (76, 264750040), (80, 251512538), (95, 211800032), (152, 132375020), (160, 125756269), (190, 105900016), (304, 66187510), (380, 52950008), (608, 33093755), (760, 26475004), (1520, 13237502), (3040, 6618751)]