20686596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{643}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 55394304

約数和(自身を除く): 34707708

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 383, 643, 766, 1149, 1286, 1532, 1929, 2298, 2572, 2681, 3858, 4501, 4596, 5362, 7716, 8043, 9002, 10724, 13503, 16086, 18004, 27006, 32172, 54012, 246269, 492538, 738807, 985076, 1477614, 1723883, 2955228, 3447766, 5171649, 6895532, 10343298, 20686596]

約数ペア:

[(1, 20686596), (2, 10343298), (3, 6895532), (4, 5171649), (6, 3447766), (7, 2955228), (12, 1723883), (14, 1477614), (21, 985076), (28, 738807), (42, 492538), (84, 246269), (383, 54012), (643, 32172), (766, 27006), (1149, 18004), (1286, 16086), (1532, 13503), (1929, 10724), (2298, 9002), (2572, 8043), (2681, 7716), (3858, 5362), (4501, 4596)]