20931846

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2657}}^1$

素因数の和:2776

約数の個数: 32

約数和(自身を含む): 45547488

約数和(自身を除く): 24615642

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2626, 2657, 3939, 5314, 7878, 7971, 15942, 34541, 69082, 103623, 207246, 268357, 536714, 805071, 1610142, 3488641, 6977282, 10465923, 20931846]

約数ペア:

[(1, 20931846), (2, 10465923), (3, 6977282), (6, 3488641), (13, 1610142), (26, 805071), (39, 536714), (78, 268357), (101, 207246), (202, 103623), (303, 69082), (606, 34541), (1313, 15942), (2626, 7971), (2657, 7878), (3939, 5314)]