20085316419

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:868

約数の個数: 64

約数和(自身を含む): 31422763008

約数和(自身を除く): 11337446589

約数列:

[1, 3, 7, 21, 101, 113, 181, 303, 339, 463, 543, 707, 791, 1267, 1389, 2121, 2373, 3241, 3801, 9723, 11413, 18281, 20453, 34239, 46763, 52319, 54843, 61359, 79891, 83803, 127967, 140289, 143171, 156957, 239673, 251409, 327341, 366233, 383901, 429513, 586621, 982023, 1098699, 1759863, 2065753, 5284219, 6197259, 8464103, 9469739, 14460271, 15852657, 25392309, 28409217, 36989533, 43380813, 59248721, 66288173, 110968599, 177746163, 198864519, 956443639, 2869330917, 6695105473, 20085316419]

約数ペア:

[(1, 20085316419), (3, 6695105473), (7, 2869330917), (21, 956443639), (101, 198864519), (113, 177746163), (181, 110968599), (303, 66288173), (339, 59248721), (463, 43380813), (543, 36989533), (707, 28409217), (791, 25392309), (1267, 15852657), (1389, 14460271), (2121, 9469739), (2373, 8464103), (3241, 6197259), (3801, 5284219), (9723, 2065753), (11413, 1759863), (18281, 1098699), (20453, 982023), (34239, 586621), (46763, 429513), (52319, 383901), (54843, 366233), (61359, 327341), (79891, 251409), (83803, 239673), (127967, 156957), (140289, 143171)]