20986265092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{100669}}^1$

素因数の和:100916

約数の個数: 48

約数和(自身を含む): 41830398400

約数和(自身を除く): 20844133308

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 211, 247, 422, 494, 844, 988, 2743, 4009, 5486, 8018, 10972, 16036, 52117, 100669, 104234, 201338, 208468, 402676, 1308697, 1912711, 2617394, 3825422, 5234788, 7650844, 21241159, 24865243, 42482318, 49730486, 84964636, 99460972, 276135067, 403582021, 552270134, 807164042, 1104540268, 1614328084, 5246566273, 10493132546, 20986265092]

約数ペア:

[(1, 20986265092), (2, 10493132546), (4, 5246566273), (13, 1614328084), (19, 1104540268), (26, 807164042), (38, 552270134), (52, 403582021), (76, 276135067), (211, 99460972), (247, 84964636), (422, 49730486), (494, 42482318), (844, 24865243), (988, 21241159), (2743, 7650844), (4009, 5234788), (5486, 3825422), (8018, 2617394), (10972, 1912711), (16036, 1308697), (52117, 402676), (100669, 208468), (104234, 201338)]