20121479976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{883451}}^1$

素因数の和:883546

約数の個数: 64

約数和(自身を含む): 54915376320

約数和(自身を除く): 34793896344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 73, 78, 104, 146, 156, 219, 292, 312, 438, 584, 876, 949, 1752, 1898, 2847, 3796, 5694, 7592, 11388, 22776, 883451, 1766902, 2650353, 3533804, 5300706, 7067608, 10601412, 11484863, 21202824, 22969726, 34454589, 45939452, 64491923, 68909178, 91878904, 128983846, 137818356, 193475769, 257967692, 275636712, 386951538, 515935384, 773903076, 838394999, 1547806152, 1676789998, 2515184997, 3353579996, 5030369994, 6707159992, 10060739988, 20121479976]

約数ペア:

[(1, 20121479976), (2, 10060739988), (3, 6707159992), (4, 5030369994), (6, 3353579996), (8, 2515184997), (12, 1676789998), (13, 1547806152), (24, 838394999), (26, 773903076), (39, 515935384), (52, 386951538), (73, 275636712), (78, 257967692), (104, 193475769), (146, 137818356), (156, 128983846), (219, 91878904), (292, 68909178), (312, 64491923), (438, 45939452), (584, 34454589), (876, 22969726), (949, 21202824), (1752, 11484863), (1898, 10601412), (2847, 7067608), (3796, 5300706), (5694, 3533804), (7592, 2650353), (11388, 1766902), (22776, 883451)]