20664912

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{8123}}^1$

素因数の和:8187

約数の個数: 40

約数和(自身を含む): 54398304

約数和(自身を除く): 33733392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 8123, 16246, 24369, 32492, 48738, 64984, 97476, 129968, 194952, 389904, 430519, 861038, 1291557, 1722076, 2583114, 3444152, 5166228, 6888304, 10332456, 20664912]

約数ペア:

[(1, 20664912), (2, 10332456), (3, 6888304), (4, 5166228), (6, 3444152), (8, 2583114), (12, 1722076), (16, 1291557), (24, 861038), (48, 430519), (53, 389904), (106, 194952), (159, 129968), (212, 97476), (318, 64984), (424, 48738), (636, 32492), (848, 24369), (1272, 16246), (2544, 8123)]