20456028

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{2693}}^1$

素因数の和:2914

約数の個数: 36

約数和(自身を含む): 51972648

約数和(自身を除く): 31516620

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 2693, 3798, 5386, 7596, 8079, 10772, 16158, 24237, 32316, 48474, 96948, 568223, 1136446, 1704669, 2272892, 3409338, 5114007, 6818676, 10228014, 20456028]

約数ペア:

[(1, 20456028), (2, 10228014), (3, 6818676), (4, 5114007), (6, 3409338), (9, 2272892), (12, 1704669), (18, 1136446), (36, 568223), (211, 96948), (422, 48474), (633, 32316), (844, 24237), (1266, 16158), (1899, 10772), (2532, 8079), (2693, 7596), (3798, 5386)]