20277498136

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1121047}}^1$

素因数の和:1121096

約数の個数: 64

約数和(自身を含む): 48429273600

約数和(自身を除く): 28151775464

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1292, 2261, 2584, 4522, 9044, 18088, 1121047, 2242094, 4484188, 7847329, 8968376, 15694658, 19057799, 21299893, 31389316, 38115598, 42599786, 62778632, 76231196, 85199572, 133404593, 149099251, 152462392, 170399144, 266809186, 298198502, 362098181, 533618372, 596397004, 724196362, 1067236744, 1192794008, 1448392724, 2534687267, 2896785448, 5069374534, 10138749068, 20277498136]

約数ペア:

[(1, 20277498136), (2, 10138749068), (4, 5069374534), (7, 2896785448), (8, 2534687267), (14, 1448392724), (17, 1192794008), (19, 1067236744), (28, 724196362), (34, 596397004), (38, 533618372), (56, 362098181), (68, 298198502), (76, 266809186), (119, 170399144), (133, 152462392), (136, 149099251), (152, 133404593), (238, 85199572), (266, 76231196), (323, 62778632), (476, 42599786), (532, 38115598), (646, 31389316), (952, 21299893), (1064, 19057799), (1292, 15694658), (2261, 8968376), (2584, 7847329), (4522, 4484188), (9044, 2242094), (18088, 1121047)]