20341728407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{3623}}^1$

素因数の和:3804

約数の個数: 64

約数和(自身を含む): 28054978560

約数和(自身を除く): 7713250153

約数列:

[1, 7, 11, 13, 71, 77, 79, 91, 143, 497, 553, 781, 869, 923, 1001, 1027, 3623, 5467, 5609, 6083, 6461, 7189, 10153, 11297, 25361, 39263, 39853, 47099, 61699, 71071, 72917, 79079, 257233, 278971, 286217, 329693, 431893, 510419, 518089, 802087, 1800631, 2003519, 2829563, 3148387, 3344029, 3626623, 3720821, 5614609, 19806941, 20321407, 22038709, 23408203, 26045747, 36784319, 40929031, 142249849, 223535477, 257490233, 264178291, 286503217, 1564748339, 1849248037, 2905961201, 20341728407]

約数ペア:

[(1, 20341728407), (7, 2905961201), (11, 1849248037), (13, 1564748339), (71, 286503217), (77, 264178291), (79, 257490233), (91, 223535477), (143, 142249849), (497, 40929031), (553, 36784319), (781, 26045747), (869, 23408203), (923, 22038709), (1001, 20321407), (1027, 19806941), (3623, 5614609), (5467, 3720821), (5609, 3626623), (6083, 3344029), (6461, 3148387), (7189, 2829563), (10153, 2003519), (11297, 1800631), (25361, 802087), (39263, 518089), (39853, 510419), (47099, 431893), (61699, 329693), (71071, 286217), (72917, 278971), (79079, 257233)]