20197119966

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{643}}^1\times {\mathrm{727}}^1$

素因数の和:1773

約数の個数: 64

約数和(自身を含む): 42757478400

約数和(自身を除く): 22560358434

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 379, 643, 727, 758, 1137, 1286, 1454, 1929, 2181, 2274, 3858, 4362, 7201, 12217, 13813, 14402, 21603, 24434, 27626, 36651, 41439, 43206, 73302, 82878, 243697, 275533, 467461, 487394, 551066, 731091, 826599, 934922, 1402383, 1462182, 1653198, 2804766, 4630243, 5235127, 8881759, 9260486, 10470254, 13890729, 15705381, 17763518, 26645277, 27781458, 31410762, 53290554, 177167719, 354335438, 531503157, 1063006314, 3366186661, 6732373322, 10098559983, 20197119966]

約数ペア:

[(1, 20197119966), (2, 10098559983), (3, 6732373322), (6, 3366186661), (19, 1063006314), (38, 531503157), (57, 354335438), (114, 177167719), (379, 53290554), (643, 31410762), (727, 27781458), (758, 26645277), (1137, 17763518), (1286, 15705381), (1454, 13890729), (1929, 10470254), (2181, 9260486), (2274, 8881759), (3858, 5235127), (4362, 4630243), (7201, 2804766), (12217, 1653198), (13813, 1462182), (14402, 1402383), (21603, 934922), (24434, 826599), (27626, 731091), (36651, 551066), (41439, 487394), (43206, 467461), (73302, 275533), (82878, 243697)]