20520912

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{22501}}^1$

素因数の和:22531

約数の個数: 40

約数和(自身を含む): 55804960

約数和(自身を除く): 35284048

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 456, 912, 22501, 45002, 67503, 90004, 135006, 180008, 270012, 360016, 427519, 540024, 855038, 1080048, 1282557, 1710076, 2565114, 3420152, 5130228, 6840304, 10260456, 20520912]

約数ペア:

[(1, 20520912), (2, 10260456), (3, 6840304), (4, 5130228), (6, 3420152), (8, 2565114), (12, 1710076), (16, 1282557), (19, 1080048), (24, 855038), (38, 540024), (48, 427519), (57, 360016), (76, 270012), (114, 180008), (152, 135006), (228, 90004), (304, 67503), (456, 45002), (912, 22501)]