20589904

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{19207}}^1$

素因数の和:19282

約数の個数: 20

約数和(自身を含む): 40490464

約数和(自身を除く): 19900560

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 19207, 38414, 76828, 153656, 307312, 1286869, 2573738, 5147476, 10294952, 20589904]

約数ペア:

[(1, 20589904), (2, 10294952), (4, 5147476), (8, 2573738), (16, 1286869), (67, 307312), (134, 153656), (268, 76828), (536, 38414), (1072, 19207)]