20900688

素因数分解:

$2^4\times 3^1\times {\mathrm{647}}^1\times {\mathrm{673}}^1$

素因数の和:1331

約数の個数: 40

約数和(自身を含む): 54157248

約数和(自身を除く): 33256560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 647, 673, 1294, 1346, 1941, 2019, 2588, 2692, 3882, 4038, 5176, 5384, 7764, 8076, 10352, 10768, 15528, 16152, 31056, 32304, 435431, 870862, 1306293, 1741724, 2612586, 3483448, 5225172, 6966896, 10450344, 20900688]

約数ペア:

[(1, 20900688), (2, 10450344), (3, 6966896), (4, 5225172), (6, 3483448), (8, 2612586), (12, 1741724), (16, 1306293), (24, 870862), (48, 435431), (647, 32304), (673, 31056), (1294, 16152), (1346, 15528), (1941, 10768), (2019, 10352), (2588, 8076), (2692, 7764), (3882, 5384), (4038, 5176)]